37) nona- (nine) nonagon, November

　　38) deci-, deca- (ten) decade, decimal

　　39) centi- (hundredth part) centigrade, centimeter, centipede , century

　　40) kilo- (thousand) kilo, kilometer, kilogram(me)， kilowatt

　　41) mill- (thousand) millennium , millimeter

　　42) multi- (many) multipurpose, multinational, multiple, multiply, multitude

　　43) counter-, anti-, contra- (opposite, against) counteract, counterattack, counterclockwise, counterrevolutionary, antibiotic, antigravity, antimatter, antiwar, antinuclear, contradict, contradiction, contramissile, contranatural, contrary, contrast, anticonsumerism, anti-intellectualism

　　44) mini- (smallest, short) minibus, miniskirt, minimum, minister, minimize, ministry, minor, minority, minute

　　45) max- (greatest) maximum, maximal , maximize

　　46) out- (outside, beyond) outdo, outwit, outlive, outnumber, outdoor, outstanding, outskirts , outward, outcome, outer, outing , outline, outlook, output, outrage , outside

　　47) over- (too much, above, additional) overwork, overuse, overtake, overpass , overthrow , overturn , overall, overdue , overhead, overhear , overlook, overseas, overtime

　　48) trans- (across, on or to the other side of) transaction , transatlantic, transcend , transfer, transform, transistor , transit , transition , translate, translation, transmission, transmit, transmitter, transparent, transplant, transport, transportation

　　49) under- (too little, below) underdevelop, underdevelopment, underestimate, undergraduate, underground, underlie , underline, undersea, underlying , undermine , underneath, underwear

　　50) neo- (new) neo-Nazism, neolithic

　　51) be- (cause to be or have) befriend, belittle

　　52) bio- (life) biology, biography , autobiography, antibiotic, biochemistry, biosphere, biomedical

　　53) en- em- (cause to become, put into the stated condition) embody, empower, endanger, enlarge, enrich, encompass, enthrone, entrench

　　54) extra- (outside, beyond) extracurricular, extraordinary

　　55) mid- (middle) midday, midnight

　　56) poly- (many) polycentric, polydirectional, polysyllabic

　　57) pseudo- (not real, false) pseudomemory, pseudonym, pseudoscience

　　58) thermo- (heat) thermochemistry, thermometer

　　59) vice- (next in rank below) vice-chairman, vice-president

　　60) aero- (air) aerial , aeroplane, aeronautics, aerospace

　　61) cross- (across, going between the stated things and joining them) cross-country, crossbreed

　　62) intra- (inside, within; into) intracity, intra-department, intranet