1. ギリシャ語から
元 日本語 例
aero 空 aerospace, aeroplane, aerosol
ast 星 astronaut, astronomy, asterisk
bio 生 biology, biography
cycl 円／丸 bicycle, cyclone, cycle
derma 皮膚 dermatology
geo 地球 geography, geology, GPS
gram / graph 書 diagram, grammar
photograph, autograph
meter 計算 thermometer, centimeter
phon 音 telephone, microphone, earphones
photo 光 photograph, photosynthesis
pop 人 population, popular
scop 見る microscope, telescope
tele 遠く telephone, telescope
therm 暑／熱 thermometer, thermal

2. ラテン語から
元 日本語 例
act する action, react, actor
ang 折る angle, triangle
aud 聞く auditorium, audience, AV (audiovisual)
credit 信じる credit, incredible
dict しゃべる predict, contradict, verdict
duc / duct 案内する conduct, educate
fac 作る factory, manufacture
loc 場所 relocate, location
man 手 manual transmission, manufacture, manipulate
migr 動く migrate, immigrant
mot 動く motion, motor, promote
mob 動く automobile, mobile phone, mobility
miss 送る missile, dismiss, mission
ped 足 pedestrian, pedal, biped
pop 人 population, popular
port 運ぶ transportation, import
rupt こわす erupt, interrupt, bankrupt
sign マークを書く signature, signal
spec 見る inspect, spectator
tract 引っ張る tractor, subtract, attraction (心を引っ張る)
urb 市 urban, suburban
vac 空っぽ／いない vacation, evacuate, vacuum
vid 見る video, evidence

3. Prefixes
元 日本語 例
anti- / contra- 反対 antifreeze, contradict
cent- 100 century, centimeter
inter- 間／内 interpersonal, interstellar, internal medicine (内科)
micro- 小さい microphone, microscope
non- 。。。じゃない nontoxic, nonlethal
over- 過ぎる overdose, oversleep
pre- 前 pregame, predict, prepare
re- 再 return, rewrite, recover
sub- 下 subway, subtitle, submarine
super- 上 supervisor
trans- 通る transport, transfer, transmit
uni- 1 unicycle, UNIQLO (one clothes for everybody)
bi- 2 bicycle, binary, bilingual
tri- 3 triangle, triple
mono- 1 monorail, monogamy, monolingual
mid- 中 middle, mid-term test, midsummer
mis- 悪 mistake, misunderstand, mislead
pro- 前向き progress, produce(動詞)
un- / im- / in- / ir 不 unlikely, unfair impossible, impractical
inappropriate, inadvisable irresponsible
hydro- 水 hydroelectric power, dehydrated
aqua- 水 aquarium, aquaduct
de- / dis 逆にする destabilize, disinfect, disintegrate
semi- 半 semicircle, semisweet
auto- 自分 automobile, autograph, automobile