Roots, Prefixes, and Suffixes Review Root Meaning Graph Write Photo Light Cred Believe Aud, Audi Hear Ped pod Foot Port To carry Hydr Water Phon Sound Bio Life Chron Time Suffix Meaning -ance state, quality -ence state, quality -ness state, condition -er person who -or person who -ist person who -ian person who -ment result -ology study of -ologist person who studies -phobia fear -phobe person who fears -arium place where -orium place where Prefix Meaning non- not ir- not in- not im- not il- not de- opposite, against contra- opposite, against counter- opposite, against dis- opposite, against anti- opposite, against com- with con- with co- with