| Prefix | |
| a- | not,without |
| ab- | from,away, off |
| ad- | to, toward |
| air- | air, by air, of air |
| an- | not, without |
| amphi- | around, on both sides, in two ways |
| ante- | before |
| anti- | against,rival,not,preventing,curing, |
| arch- | chief, principle |
| auto- | self, automobile |
| be- | thoroughly, about, make, provide |
| bi- | twice, double, two |
| bio- | living, plants and animals |
| circum- | round about, all sides, in a circle |
| co- | with,together,joint |
| com- | with,together,altogether |
| con- | against |
| de- | do opposite of |
| di- | twice,double,twofold |
| dis- | opposite of |
| en- | cause, put, |
| eu- | good, well |
| ex- | former, out of, thoroughly |
| extra- | outside, beyond, besides |
| fore- | in front, before |
| geo- | to do with the earth |
| hydro- | to do with water |
| hyper- | over, beyond, exceedingly, to excess |
| hypo- | under, beneath, below, less than, slightly, somewhat |
| hetro-,heter- | other, different |
| in-, im-,il-,ir- | not, opposite, absence of, in, into, toward |
| inter- | together, between, during |
| intra- | within, inside, in the middle |
| ir- | not, cannot be |
| iso- | equal, alike |
| mal- | bad, poorly |
| mid- | mid, middle |
| mirco- | small, millionth, use of microscope |
| milli- | one thousandth |
| mini- | small |
| mis- | bad,badly, wrong,wrongly |
| mono- | one, single |
| multi- | having many, many times |
| non- | not, not a, opposite, lack of, failure of |
| ob- | against, inversely,contrary to, toward, on,over |
| omni- | all, complete, infinite |
| out- | outward, at a distance, more than, better than |
| over- | too, extra, over |
| pan- | all |
| per- | through, throughout, very |
| poly- | more than one, many |
| post- | after |
| pre- | before |
| pro- | before, forward, on the side of |
| quasi- | seeming, not real, partly , almost |
| re- | again, once more, back |
| self- | of oneself |
| semi- | half, partly, twice |
| step- | related by remarriage |
| sub- | under, below, down, nearly, lower,
resulting from division, small degree |
| super- | over, above, besides, to excess, surpassing |
| supra- | above, over, beyond, before |
| syn- | with, together, at the same time |
| tetra- | four, four parts, four times |
| thermo- | heat |
| trans- | across, over, through, beyond, on the other side |
| tri- | three, three parts, three times, every third |
| ultra- | beyond, extreme |
| un- | not, opposite of * |
| under- | below, beneath, on underside, to a lower position |
| up/upper- | increase, higher, above, erect |
| vice- | substitute, deputy, subordinate |
| | |
|
| -able | able to be __ed, inclined to |
| -age | act of |
| -al/-ial | of, like, having the nature of |
| -an/-ian | of, having to do with |
| -ance/-ence | act of, state of, thing that |
| -ant/-ent | -ing, one that __s |
| -ary/-ory | place for __, being __ |
| -ate | of,having,become,produce,supply,combine,condition of |
| -ation | state of __ |
| -ative | tending to, having to do with |
| -cy | office of, state of being |
| -dom | position,realm,condition of being, all those who |
| -ed | past, having __ |
| -ee | one who gets, is given |
| -eer | one who is or deals with |
| -en | cause, make, become, gain, made of, past, plural |
| -ency | state of __ing |
| -er/-ers | person or thing that __s, comparative |
| -ess | female |
| -est | superlative |
| -et | little |
| -ette | little, female |
| -ey | full of (var of -y) |
| -fold | times as many, divided into parts |
| -form | shaped, formed |
| -ful | full of, having, enough to fill |
| -gram | something written, grams |
| -graph | make picture,draw,write |
| -hood | state of being, group of |
| -ible | that can be __ed, var. -able |
| -ic/-ical | of, being, made by, like |
| -ify | give quality of __ to, make __ |
| -ion | act of __ing, state of, result of |
| -ine | like, being, having the nature of |
| -ing/-ings | action of ___ |
| -ise | var. -ize |
| -ish | somewhat, resembling, like, belonging to |
| -ism | action, doctrine, system, state, case |
| -ist | one who does/knows/busy with/believes |
| -ite | person associated with |
| -itis | inflammation of |
| -ity | condition of being |
| -ive/-ative | pertaining to, tending to, likely to |
| -ize | make, become, be busy with, treat with |
| -kin | little |
| -less | without, that cannot be __ed |
| -let | little, worn as a band |
| -like | like, proper for * |
| -ling | little, unimportant, one that is, belonging to |
| -ly | in a _ manner, in __ ways, to a degree,
in,to,from, of,each,from, in a place, every |
| -ment | act/state/fact of __ing, means for __ing |
| -ness | state/condition of being |
| -ology | any science or branch of knowledge |
| -or | person or thing that __s, var. -er |
| -ory | __ing, of __, of __ion, serving to, tending to |
| -ose | full of, much, many, fond of, like, |
| -ous | having, having much, full of, like, inclined to |
| -phobe | person in fear of |
| -proof | protected against, safe from |
| -s/-es/-ies | plural |
| -ship | office of, state of, skill of, relation between |
| -some | tending to, causing, considerable degree, group of |
| -th | item sequence |
| -tion/-sion | state of __ing, being __ed |
| -ry | work|act|state of a __. var. -ery |
| -ster | one that __s, one that makes, one that is |
| -ure | act of __ing|ed, result of, thing that __s, is __ed |
| -ward(s) | in the direction of, toward |
| -ways | direction, position |
| -wise | in a __ manner, in the way of a __ |
| -y | full of, having, somewhat, inclined to, suggesting, small |
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