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
63) pro- (in favor of, supporting) pro-America, pro-abortion
64) self- self-employed, self-taught
65) step- (not by birth but through a parent who has remarried) stepmother, stepchildren
