英語の接頭辞と接尾辞。
Base wordまたはRootにくっつく、頻出度の高いAffixes(接頭辞と接尾辞)をご紹介します。
これらを覚えると、効率的に語彙増強をしていくことが可能となります。
| Prefix(接頭辞) | Meaning | Example | 
| Ab- | away from | absent, abnormal | 
| Ad- | to, toward | advance, addition | 
| After- | Later, behind | aftermath, afterward | 
| Anti- | against, opposed | antibiotic, antigravity | 
| Auto- | self | automobile, autobiography | 
| Be- | make | believe, belittle, befriend | 
| Bi- | two | bicycle, biceps | 
| Com, con, co- | with, together | commune, concrete | 
| Contra- | against | contradict, contrary | 
| De- | downward, undo, opposite | deflate, defect | 
| Deci- | ten | decibels, decimal | 
| Dis- | not, opposite of | dislike, distrust | 
| E, ex- | out of, prior to | explain, expense | 
| En, em- | in, into, cover | engage, employ | 
| Extra- | outside | extravagant, extraterrestrial | 
| Fore- | earlier, before | foreclose, foresee | 
| Im- | not | impose, imply | 
| In- | into, not | include, incurable | 
| Inter- | between, among | interact, internal | 
| Macro- | large | macroeconomics, macrotiotic | 
| Magni- | great | magnify, magnificent | 
| Mega- | huge | megaphone, megabucks | 
| Mid- | middle | midway | 
| Micro- | small | microscope, microbe | 
| Mis- | wrongly | mistake, mislead, misfire | 
| Non- | not | nonsense, nonviolent | 
| Out- | more or better than others | outperform, outbid | 
| Over- | above, beyond, over | overflow, overdue, overlook | 
| Post- | after | postdate, postmark | 
| Pre- | before, prior to | preheat, prehistoric, prefix | 
| Pro- | in favor of | protest, protect | 
| Re- | again | repeat, revise, return | 
| Prefix | Meaning | Example | 
| Sub- | under, beneath | submarine, subject | 
| Super- | above, beyond | superior, supernatural | 
| Tele- | for | telescope, telephone | 
| Trans- | across | transfer, transit, transport | 
| Tri- | three | tricycle, triangle | 
| Un- | not | unknown, unjust, unkind | 
| Ultra- | beyond | ultraviolet, ultrasuede | 
| Under- | beneath, below | underneath, underline | 
| Uni- | one, single | unicorn, uniform | 
| Suffix(接尾辞) | Meaning | Example | 
| -able, -ible | can be done | comfortable, edible | 
| -al, -ial | having characteristics of | personal | 
| -ant | one who | assistant | 
| -ar, -er, -or | one who | liar, teacher, doctor | 
| -arium | place for | aquarium | 
| -ed | (past tense) | jumped, smiled | 
| -en | made of | wooden | 
| -ent | one who | resident | 
| -er | more | brighter, higher | 
| -ery, ry | products | pottery | 
| -est | most | brightest, highest | 
| -ful | full of | mouthful, careful | 
| -ic | having characteristics of | linguistic, economic | 
| -ing | material | roofing | 
| -ing | (present participle) | jumping, smiling | 
| -less | without | fearless, speechless | 
| -ly | every | weekly | 
| -ly | characteristic of | happily, quickly | 
| -ment | action or process | enjoyment, excitement | 
| -ness | state of, condition of | happiness, kindness | 
| -ology | study of | biology | 
| -ous, -eous, -ious | full of | joyous, wondrous | 
| -s, es | more than one | books, boxes | 
| -y | characterized by | sunny, happy | 

