Affixes Affixes are prefixes and suffixes attached to a root to modify its meaning or part of speech (e.g. in-, re-, -tion, -able).

a- not ab- away from ad- to an- not ante- before anti- against arch- chief auto- self bene- good bi- two cent- hundred circum- around co- with col- with com- with con- with contra- against counter- against dec- ten di- two dia- through dis- not dys- bad e- out em- in, into en- in, into epi- on eu- good ex- out fore- before hemi- half hetero- different hexa- six homo- same hyper- over hypo- under il- not im- not in- not inter- between intra- within ir- not kilo- thousand macro- large mal- bad mega- great micro- small milli- thousand mini- small mis- wrong mono- one multi- many neo- new non- not oct- eight omni- all over- too much paleo- ancient pan- all para- beside penta- five peri- around poly- many post- after pre- before pro- forward proto- first pseudo- false quad- four re- again retro- backward semi- half sub- under super- above supra- above sym- with syn- with tele- far trans- across tri- three ultra- beyond un- not under- below uni- one

-able able to be -age action -al relating to -ance state -ant one who -archy rule -ate to make -ation act -ative tending to -cracy rule -cy state -dom state -ee one who receives the action -eer one who is concerned with -en to make -ence state -ent one who -er one who -ery place -ese from a place -esque in the style of -ette small -ful full of -graphy writing -hood state -ial relating to -ian one who -ible able to be -ic relating to -ical relating to -ify to make -ious full of -ish somewhat -ism doctrine -ist one who -itis inflammation -ity state -ive tending to -ize to make -less without -let small -like resembling -ling small -ly (adv.) in a manner of -ment result -meter measuring device -ness state -ology study of -or one who -ory relating to -osis condition -ous full of -phobia fear -phone sound -scope instrument for viewing -ship state -sion act -some tending to -th state -tion act -tude state -ty state -ure act -ward in the direction of -wise in the manner of -worthy deserving of -y full of