Lesson 1 Word Parts Word Part Definition Examples 1 a, an no, not without, lacking amnesia : a (without) mne (memory) ia (condition/state of) anarchy : an (without) arch (rule/government) y (result of) atheist : a (lacking) theo (god) ist (one who) anaerobic : an (lacking) aero (air) ic (characteristic of) 2 ambi both ambivalent : ambi (both) val (strong) ent (full of) ambidextrous : ambi (both) dextro (right hands) ous (full of) ambivert : ambi (both) vert (turn) (Ex. Introvert and extrovert) 3 anti, ant against antidote : anti (against) dote (give) antibiotic : anti (against) bio (life) ic (characteristic of) antisocial : anti (against) soc (society) al (characteristic of) antibacterial : anti (against) bacteria 4 circum around circumnavigate : circum (around) nav (sail) ate (make/cause) circumlocution : circum (around) locu (speak) tion (act of) circumambulate : circum (around) amble(walk) ate (make) 5 de down demote : de(down) mot (move) descend : de (down) scend (climb) decline : de (down) clin (bend) 6 dis, di, dif apart, away, not divert : di (away) vert (turn) disagree : dis(not) agree (agree) dissolve : dis(not) solve (loosen, free) dissect: dis (away) sect (cut) 7 endo inside, within endoderm : endo (inside) derm (skin) endocardium : endo(inside) cardi (heart) ium (place, condition) endoskeleton : endo(inside) skeleton (skeleton) endocrine : endo (inside) krin (separate) 8 exo outside exoskeleton : exo (outside) skeleton (skeleton) exosphere : exo(outside) sphere (sphere) exocrine : exo(outside) krin (separate)
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Lesson 1 Word Parts Word Part Definition Examples - RPDP
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Lesson 1 Word PartsWord Part Definition Examples
1 a, anno, not without, lacking
amnesia: a (without) mne (memory) ia (condition/state of)anarchy: an (without) arch (rule/government) y (result of)atheist: a (lacking) theo (god) ist (one who)anaerobic: an (lacking) aero (air) ic (characteristic of)
2 ambi both
ambivalent: ambi (both) val (strong) ent (full of)ambidextrous: ambi (both) dextro (right hands) ous (full of)ambivert: ambi (both) vert (turn) (Ex. Introvert and extrovert)
3 anti, ant against
antidote: anti (against) dote (give)antibiotic: anti (against) bio (life) ic (characteristic of)antisocial: anti (against) soc (society) al (characteristic of)antibacterial: anti (against) bacteria
4 circum around
circumnavigate: circum (around) nav (sail) ate (make/cause)circumlocution: circum (around) locu (speak) tion (act of)circumambulate: circum (around) amble(walk) ate (make)
5 de downdemote: de(down) mot (move) descend: de (down) scend (climb)decline: de (down) clin (bend)
6 dis, di, dif apart, away, not
divert: di (away) vert (turn)disagree: dis(not) agree (agree)dissolve: dis(not) solve (loosen, free) dissect: dis (away) sect (cut)
extraordinary: extra (beyond) ordin (order) ary (place where)extrasensory: extra(beyond) sens (feel) ory (having the characterisitc of)extraterrestrial: extra(beyond) terrestri (earth) al (related to)
10 hetero different
heterogeneous: hetero (different) gen (kind) ous (full of)hetermorphic: hetero (different) morph (shape) ic (having characteristics of)heterosexual: hetero (different) sex (sex) al (related to)heterozygous: hetero (different) zyg (joined together) ous (full of)
11homo, homeo
same
homogeneous: homo (same) gen (kind) ous (full of)homophone: homo (same) phone (sound)homeostasis: homeo (same) statis (condition)homozygous: homo (same) zyg (joined together) ous (full of)
12 in, il, im, ir in, intoinject: in (in) ject (throw)illuminate: il (in) lum (light) ate (make, cause)import: im (in) port (carry)
13in, il, im, ir, ig
notinactive: in (not) act (do) ive (having power)ignoble: in (not) nobilis (noble)illegal: in (not) leg (law) al (related to)
14 inter between, among
interact: inter (among) act (do)interrupt: inter (between) rupt (break)intervene: inter (between) vene (come)interbreed: inter (among) breed
15 intra/intro inside, withinintravenous: intra (inside) ven (vein) ous (full of)introspect: intro (inside) spect (look)introduce: intro (inside) duc (lead)
16 iso same
isometric: iso (same) metr (measure) ic (related to)isoceles: iso (same) skelos (leg)isothermal: iso (same) therm (heat) al (related to)isotonic: iso (same) ton (solution) ic (having characterisitcs of)
sacred: sacr (holy)sacrifice: sacr (holy) fic (make, do)execrate: ex (out) secr (holy) ate (make, cause)-to damn or curse
19 secut, sequ followsequence: sequ (follow) ence (state or act of)consecutive: con (together) secut (follow) ive (that which)execute: ex (out) secut (follow)
20 soph wise, cleversophomore: soph (wise) moras (foolish)philosopher: phil (love) soph (wise) er (one who)sophisticated: sophist (wise) ate (make, do)
21 string, strict bind, draw tightlyconstrict: con (together) strict (bind)restriction: re (back) strict (draw) ion (act of)astringent: able to draw together
22 tele far, distanttelephone: tele (distant) phon (sound)television: tele (distant) vis (see) ion (act of)telepathy: tele (distant) path (feeling) y (result of)
23 urb cityurban: urb (city) an (related to)suburban: sub (under) urb (city) an (related to)urbanity: urb (city) an (related to) ity (quality of)
24 vi, vit, viv lifeviable: vi (life) able (capable of)vitality: vit (life) ity (state of, quality of)vivacious: viv (life) ous (full of)
25 zo animalzoology: zo (animal) logy (study of)protozoa: proto (first) zo (animal)zoophile: zo (animal) phil (love of)
Lesson 9 Word PartsWord Part Definition Examples
1 alt otheralteration: alter (other) tion (act of)alter ego: alter (other) ego (self)alternate: every other
2 ann, enn yearanniversary: ann (year) vers (turn) ary (related to)perennial: per (through) enn (year) ial (related to)millennium: mill (thousand) enn (year) ium (act of)
3 ar, alpertaining to, related to
astral: astr (star) al (related to)circular: circ (circle) ar (pertaining to)bipolar: bi (two) polar (sides) ar (related to)
4 carn meat, fleshcarnivorous: carn (meat) vor (eat) ous (full of)incarnate: in (in, into) carn (flesh) ate (make)carnage: carn (flesh) ate (state)
6 duc, duct leaddeduce: de (down, from) duce (lead)conduct: con (together) duct (lead)production: pro (before, forward) duct (lead) ion (act of)
7fact, fect, fic, fy
make, domanufacture: manu (hand) fact (make) ure (act of)deify: deus (god) fy (make)beneficent: bene (good) fic (make, do) ent (full of)
8 ist one who
perfectionist: per (through) fect (make, do) ion (act of) ist (one who)physicist: physi (nature) ist (one who)linguist: lingu (language) ist (one who)
9 liter word, letterliteral: liter (word) al (related to)illiterate: il (not) liter (word, letter) ate (related to)alliteration: repeating the sound of a certain letter
10 locut, loqu talkeloquent: e (out) loqu (talk) ent (full of)loquacious: loqu (talk) cious (having quality of)circumlocution: circum (around) locut (talk) ion (act of)
11 migr movemigrate: migr (move) ate (make)emigrant: e (out) migr (move) ant (one who)immigrant: im (in, into) migr (move) ant (one who)
astronomy: astro (star) nom (law) y (result of)taxonomy: tax (arrange) nom (principle) y (result of)economy: eco (house) nom (principles) y (result of)
14 onym nameanonymous: a (withou) onym (name) ous (full of)pseudonym: pseudo (false) onym (name)synonym: syn (same) onym (name)
15 ose having quality ofbellicose: bell (war, fight) ose (quality of)verbose: verb (word) ose (quality of)glucose: gluc (sugar) ose (quality of)
17 pli, plic, ply foldpliable: pli (fold) able (capable of)plica: a fold of skinplication: the act of folding
18 rogat askinterrogate: inter (between, among) rogat (ask) ate (make)prerogative: pre (before) rogat (ask) ive (that which)rogation: rogat (ask) tion (act of)-prayer
19 sens, sent feelsensitive: sens (feel) ive (that which)insentient: in (lacking) sent (feeling) ent (full of)sentimental: sent (feel) ment (result) al (related to)
20 somn sleepinsomnia: in (no, not) somn (sleep) ia (state of)somniferous: somn (sleep) fer (produce) ous (full of)somnambulate: somn (sleep) ambl (walk) ate (make, do)
21 spir breatherespiration: re (again) spir (breathe) tion (act of)perspire: per (through) spir (breathe)expire: ex (out) spir (breathe)
4 cardi heartcardiologist: cardi (heart) log (study) ist (one who)pericardium: peri (around) cardi (heart) ium (place)myocardial: myo (muscle) cardi (heart) al (related to)
5 cogn knowrecognize: re (again) cogn (know) ize (make)incognito: in (not) cogn (know) metacognition: meta (change) cogn (know) tion (act of)
6 dent, dont toothdentist: dent (tooth) ist (one who)orthodontist: ortho (straight) dont (tooth) ist (one who)peridontics: peri (around) dont (tooth) ics (science of)
7 erg, urg work, powerenergy: en (inside, within) erg (power) y (result of)synergize: syn (together) erg (work) ize (make)metallurgist: metal (mine) urg (work) ist (one who)
14 nov newnovel: something unknown or new in stylenovice: nov (new) ice (practice)renovate: re (again) nov (new) ate (make, do)
15 ortho straight
orthodox: ortho (straight) dox (belief)orthodontist: ortho (straight) dont (teeth) ist (one who)orthography: ortho (straight) graph (write) y (result of)-study of correct spelling
16 phil lovephilosopher: phil (love) soph (wisdom) er (one who)philanthropist: phil (love) anthrop (mankind) ist (one who)philodendron: phil (love) dendron (tree)
1 act, ag drive, force, doagitate: ag (force) ate (make, do)agent: ag (do) ist (one who)react: re (back, again) act (do)
2 andr male
android: andr (male) oid (resembling)philanderer: phil (love) andr (male) er (one who)androgenous: andr (male) gen (origin) ous (full of)-producing male offspring
3 arthr jointarthropod: arthr (joint) pod (foot)arthritis: arthr (joint) itis (inflmmation)arthropathy: arthr (joint) path (disease) y (result of)
4 biblio book
bible: bookbibliography: biblio (book) graph (write, record) y (result of)bibliophile : biblio (book) phil (love)
beneficial: bene (good) fic (make, do) al (related to)benign: bene (good) gen (born, start)benediction: bene (good) dict (speak) ion (act of)= promotes goodness or well-being
5 bio lifebiology: bio (life) logy (study)biography: bio (life) graph (write) y (result of)biosphere: bio (life) shere (circle)
go precede: pre (before) cede (go)exceed: ex (out) ceed (go)procession: pro (forth, forward) cess (go) ion (act on)
8 dem people
democracy: dem (people) crac (rule, government) y (result of)demographics: dem (people) graph (write, record) ics (science of)epidemic: epi (upon, over) dem (people) ic (having characteristics of)
9 equ same
equal: equ (same) al (relating to)equilateral: equi (same) lat (side) al (related to)equator: divides northern and southern hemispheres into equal halves
10 flect, flex bendflexible: flex (bend) ible (able to)reflection: re (back) flect (bend) ion (act of)deflect: de (down) flect (bend)
11 genstart, begin, birth, kind, family, race
generate: gen (start) ate (make)genocide: gen (race) cide (kill)genealogy: gen (birth, family) logy (study of)
12 gon anglepolygon: poly (many) gon (angle)diagonal: dia (across) gon (angle) al (related to)pentagon: penta (five) gon (angle)
reject: re (back) ject (throw)projectile: pro (forward) ject (throw) ile (related to)deject: de (down) ject (throw)eject: e (out) ject (throw)
16 kin, cin movecinema: movieskinetic: kin (move) ic (related to)kinesilogy: kin (move) logy (study of)
17 magna large, greatmagnify: magn (large) fy (make)magnitude: magn (large, great) tude (state of)magnum opus: magn (large, great) opus (work)
18 nat birthnative: nat (birth) ive (performing to or tending toward)neonatal: neo (new) nat (birth) al (related to)nativity: nat (birth) ity (state or condition of)
19 par same, equalparity: par (equal) ity (state or condition of)compare: com (together, with) par (same)parfocal: par (same) focal (vision, focus)
20 pel, puls drive, beatpropel: pro (forward) pel (drive)pulse: puls (beat)pulsate: puls (beat) ate (make, cause)
21 sci knowscience: sci (know) ence (state or condition of)unconscious: un (not) con (with) sci (know) ious (full of)omniscient: omin (all) sci (know) ent (full of)
22 tend, tens stretch
tension: tens (stretch) ion (act of)tendon: tissue that allows your bones and muscles to stretchextend: ex (out) tend (stretch)
23 theo godtheology: theo (god) logy (study of)atheist: a (lacking, without) theo (god) ist (one who)theocracy: theo (god) crac (government) y (result of)
24 ven, vent come
prevent: pre (before) vent (come)convention: con (together) vent (come) ion (act of)adventure: ad (to, toward) vent (come) ure (act, process)
2 proto one/firstprototype: proto (first) type (model)protozoa: proto (first) zoa (form of life/animal)
3 uni oneunify: uni (one) fy (make)unicycle: uni (one) cycle (wheel)uniramous: uni (one) ram (branch) ous (full of)
4 di twodicephalous: di (two) ceph (head) ous (full of)diacidic: di (two) acid (acid) ic (characteristics of )dipodic: di (two) pod (feet) ic (characteristics of)
5 du/duo twoduplex: du (two) plex (parts)duologue: duo (two) logue (conversation/words)
6 tri threetriple: tri (three) ply (fold)triarchy: tri (three) arch (rule/govern) y (result of)triangle: tri (three) angle (angles)
7 quadr four
quadrilateral : quadr (four) lat (sides) al (relating to)quarter: one 1/4thquadraphonic: quadr (four) phon (sound) ic (characteristic of)
quintet: music composed of five voices/instrumentsquintessence: the 5th and highest element in ancient philosophy
11 hexa sixhexagon: hexa (six) gon (sides/angles)hexagram: six sided star
12 sex/ses sixsextant: one sixthsexagenarians: people in their sixties
13 hepta sevenheptarchy: hepta (seven) arch (rule) y (result of)Heptateuch: 1st seven books of scripture
14 septa sevenseptenarius: a verse with 7 feetSeptember: originally the 7th monthseptennial: septa (seven) an/enn (year)
15 octa/octo eightoctahedron: octa (eight) hedron (faces)October: originally the 8th monthoctogenarian: a person in their 80's
16 ennea nineennead: group of 9enneagon: ennea (nine) gon (angle)
17nona (novem)
ninenonagenarian: a person in their 90'snovena:prayer lasting 9 daysNovember: originally the 9th month
18 dec tendecade:a group of 10decimal: 10 unitsdecagon: dec (10) gon (angles)
19 duodec twelveduodecimal: one twelfthduodenum: twelve fingers
20 hect 100 hectometer: hecto (100) meter (meters)
21 cent100
centipede: cent (100) ped/pod (feet)century: 100 years
22 kilo1,000
kilometer: kilo (1,000) meter (meter)kilogram: 1,000 grams
23 mill 1,000 millimeter: 1,000th of a meter
24 nanobillion
nanogram: one billioneth of a gramnanosecond: one billioneth of a second
Lesson 3 Word PartsWord Part Definition Examples
1 ad, ag, as to, toward, very
advent: ad (to) vent (come) aggressive: ag (to) gress (walk/go) ive (that which)ascend: as (toward) scend (climb)
2 anathrough, across, again, back
analyze: ana (through) lyze (loosen)anatomy: ana (through) tom (cut) y (result of)anabiosis: ana (back) bio (life) sis (condition)
3 ante before, firstantebellum: ante (before) bell (war)antemeridian: ante (before) meredian (midday)antemortem: ante (before) mort (death)
4 auto self
autobiography: auto (self) bio (life) graph (write) y (result of)automobile: auto (self) mob (move) ile (pertaining to)autonomy: auto (self) nom (rule, law) y (result of)autotroph: auto (self) troph (nourishment/growth)
contradict: contra (against) dict (speak,say)contrary: contra (against) ary (place where)controversy: contra (against) vers (turn) y (result of)
7 dia across, through
diameter: dia (across) metr (measure)dialect: dia (across) lect (speak)diagonal: dia (across) gon (side, angle) al (related to)
8 em, en inside, withinencyclical: en (within) cycl (circle) al (related to)embryo: em (inside) bruein (grow)empathy: em (within) path (feeling) y (result of)
metacognition: meta (change) cogn (know) tion (act of)metamorphosis: meta (change) morph (shape) sis (process)metaphase: meta (change) phase (stage)
13 mis bad, poorly, hatemisanthrope: mis (hate) anthrop (mankind)misogyny: mis (hate) gyn (woman) y (result of)misjudge: mis (bad) jud (evaluate)
14 multi many
multiflorous: multi (many) flor (flower) ous (full of)multilateral: multi (many) lat (side) al (related to)multiply: multi (many) ply (fold)
15ob, oc, of, op
againstocclude: oc (against) clud (close, shut)obstruct: ob (against) struct (build)oppose: op (against) pos (place, put)
16 omni all
omnipotent: omni (all) pot (power) ent (full of)omniscience: omni (all) sci (know) ence (state of)omnivorous: omni (all) vor (eat) ous (full of)
17 pan all, entire
panacea: pan (all) akos (cure)panchomatic: pan (all) chrom (color) ic (having characteristics of)panophobia: pan (all) phob (fear) ia (state, condition)
18 para beside, beyondparadox: para (beyond) dox (belief, doctrine)paralegal: para (beside) leg (law) al (related to)parallel: para (beside) allos (other)
19 peri around
peridontics: peri (around) dont (teeth) ics (science of)perimeter: peri (around) metr (measure)periscope: peri (around) scop (look, see)
20 probefore, forth, forward
prognosis: pro (before) gno (know) sis (process)promote: pro (forth, forward) mot (move)provide: pro (forward) vid (see)prophase: pro (first) phase (stage)prokaryotic: pro (before) karyo (nucleus) ic (characteristic of)
subject: sub (under) ject (throw)suppose: sup (under) pos (place, put)suspect: sus (under) spect (look, watch)subconscious: sub (under) con (know) ous (full of)
24 trans across, through
transit: trans (across) it (travel)transfer: trans (across) fer (carry)transmit: trans (across) mit (send)transdermal: trans (across) derm (skin) al (related to)
25 vice in place of
vice president: vice (in place of) pre (before) sid (sit) ent (one who)viceroy: vice (in place of) roi (king)vice versa: vice (in place of) vers (turn)
Lesson 2 Word PartsWord Part Definition Examples
1 ab, abs away, from
abduct: ab (away) duct (lead) absent: ab (away) esse (to be)abdicate: ab (away) dic (speak) ate (make, cause, do)
2 amphi both
amphibian: amphi (both) bio (life) ian (related to)amphitheater: amphi (both) theatron (to watch)amphicentric: amphi (both) centr (center) ic (characteristics of)
3 apo away
apology: apo (away) log (word) y (result of) apostle: apo (away) stellein (send)apostrophe: apo (away) strophein (turn) apolune: apo (away) lune (moon)
4 bi two
bicycle: bi (two) cycl (wheel)biennial: bi (two) enn (year) ial (related to)binomial: bi (two) nom (part, name) ial (related to)bilateral: bi (two) lat (side) al (condition)
5con, co, col, com, cor
together, with, same
collateral: coll (together) later (side) al (related to)compose: com (together) pose (place, put) congenital: con (with) gen (birth) al (related to)corroborate: cor (with) robor (strong) ate (make, do)
dysfunction: dys (bad) fungi (perform) ion (act of)dystrophy: dys (bad) troph (growth) y (result of )dyslexia: dys (bad) lex (word) ia (condition of)
8 ex, ec, ef out
exit: ex (out) it (travel)eccentric: ex (out) centr (center) ic (having characteristics of)effuse: ef (out) fus (pour)exocytosis: ex (out) cyto (cell) sis (process)
9 eu good/true
eulogy: eu (good) log (word) y (result of)euphemism: eu (good) phem (name) ism (belief)eugenics: eu (good) gen (birth) ics (science of)eukaryote: eu (true) karyo (nucleus) te (characteristics of)
neonatal: neo (new) nat (birth) al (related to)neolithic: neo (new) lith (stone, rock) ic (related to)neophyte: neo (new) phyt (plant)
16 non not
nonconformist: non (not) con (with) form (shape) ist (one who)nonflammable: non (not) flam (fire) able (able)nonverbal: non (not) verb (word) al (related to)
17 pen almost
peninsula: pen (almost) insula (island)penultimate: pen (almost) ultim (high) ate (make, do)penumbra: pen (almost) umbra (shade)- a partial shadow, similar to an eclipse
18 prim/prin first
primary: prim (first) ary (related to)primogeniture: prim (first) gen (born) ure (state of)prince: prin (first) cept (take)
19 poly many
polytheism: poly (many) theo (god) ism (belief)polygamy: poly (many) gam (marriage) y (result of)polygon: poly (many) gon (side/angle)polypeptide: poly (many) peptide (protein)polysaccharide: poly (many) sacchar (sugar) ide (having)polyploid: poly (many) ploid (chromosomes)
20 preter above, beyond, pastpreterhuman: preter (beyond) humain (human)preternatural: preter (beyond) natura (nature)pretermit: preter (beyond) mit (send/pass)
21 quasihaving likeness, resembling
quasistellar: quasi (like) stell (star) ar (related to)quasi-judical: quasi (resembling) jud (evaluate) al (related to)quasisuccessful: quasi (like) suc (under) cess (go) ful (full of)
22 re back, againrecognize: re (again) cogn (know) ize (make)regress: re (back) gress (go)revert: re (back) vert (turn)
23 semi halfsemiannual: semi (half) ann (year) al (related to)semicircle: semi (half) circl (circle)semifinal: semi (half) fin (end) al (related to)
24 super above, beyond, over
superscribe: super (above) scrib (write)superb: super (above)supervise: super (over) vis (see)supersaturated: super (over) saturate (full of)
25 un not
unarm: un (not) arm (weapon)unconscious: un (not) con (with) sci (know) ous (full of)unequal: un (not) equ (equal)unsaturated: un (not) saturate (full of)
Lesson 17Word Part Definition
1 host enemy, stranger
2 hygiene art of health3 hypno sleep4 juven young5 laud praise
6 levto make rise, lift,raise
7 medic physician, to heal
8 necess unavoidable
9 null, nihil, nil nothing, void
10pend, pond, pens
to consider, weigh, or pay
11 pneu breathe
12 pot powerful
13 priv separate
14 prob to prove, to test
15 pyr fire
16 sat to please
17spond, spons
to pledge, to promise
18 theatr to see, view
19 acro top, tip, end20 hier sacred21 holo whole22 sover above, over23 age belongs to24 ory place for