multi many multiply, multiple
peri- around periscope, perimeter
semi- half, partly semisweet,semicircle
tri three triangle
ultra- beyond,excessive,extreme ultramodern
uni- one unicycle,unify, universe
a-,an- without, lacking, not atypical, apolitical
bene- good benefit, benefactor
bi- two bicycle, binary
mis- wrong misspell, mistake
mono- one, alone monarch,monopoly
poly- many polynomial, polytechnic
com-,con-,col-,cor-，CO- together, with cooperate, connect
in-, im-, il-, ir- in, into, on invade, insert
in-, im-, il, ir- not impolite, illegal
micro- small microscope,microcomputer
pre- before prepare, prehistoric
re-, retro- back, again return, retrorocket
ante- before anterior, ante meridiem
circum- around circumference
contra-,anti- against anti-war, contrast
inter- between international,intervene
intro-, intra- within introduce,intravenous
post-, after post-game,post-graduate
sub-, suc-, suf-, sug-, sup-, sus- under subway, support
super- above, greater, better superior, supermarket
trans- across trans-Atlantic,transportation
syn-, sym-, syl- with, together symphony sympathy
phil love philosophy
psych- mind psychology

-aster-,-astro-,-stellar- star astronomy, stellar
-auto- self automobile,automatic
-bio- life biology
-cycle- circle bicycle, cycle
-mega- great, large megaton,megalopolis
-mort death mortal,immortality
-polis- city metropolis
-soph- wise philosophy,sophomore
-audi-,-audit- hear auditorium, auditor
-chron- time chronology, chronologica
dic,-dict- say, speak dictator, dictationg
-graph-，-gram- write, writing telegraph, telegram
-log-, ology- speech, word, study biology
-phon- sound telephone
-ced- go, move, yield precede
-duc- lead introduce
-flect- bend reflect, flexible
-mit-,-miss- send remit, missionary
-pon-,-pos- put, place postpone, position
-port- carry portable
-sequ-,-secut- follow consequence, consecutive
-spir- breathe inspiration,conspiracy
-tele far telegraph, telephone
-ven-,-vene come convene, convention
-voc-,-vok call vocal, revoke
-anthro-,-anthropo- human patriarch,monarch, archbishop
-arch- first, chief, leader anthropology
-fact-,-fect- make, do affect, benefactor, factory
-gam- marriage monogamy polygamous
-hetero- different,other heterosexual,heterogeneous
-homo- same homogenized milk
-man-,-manu- hand manually,manage
-morph- form, structure polymorphous
-onym-,-nomen- name synonym,nomenclature
-pathy- feeling, disease sympathy, telepathy,pathological
-theo-,-the- god theology, polytheism
-scrib-,-script- write describe, script
-spect- look at inspect,spectator
-vid-,-vis- see video, vision
-er,-or one who worker, spectator
-ist one who typist, biologist
-tion,-ation condition, the act of action, celebration
-ity condition, quality, state of being unity, ability
-ness condition, quality, state of being sadness, happiness
-able-, ible-,-ble capable of, fit for trainable, defensible
-ous, -ious,-ose full of, having the qualities of poisonous,anxious, verbose
-ic,-al relating to, having the nature of comic, musical
-ism action or practice, theory or doctrine Buddhism,communism
-oid like, resembling humanoid