20). macro- (large) macroeconomics ^, macrocosm ^, macrostructure

21). micro- (extremely small)microcomputer, microeconomics ^, microscope, microphone, microsurgery

22). super- (greater or more than) super, supermarket, supersonic *, superman, superpower, supernatural, supervise *, superb, superficial, superintendent *, superior, superiority *, supreme

23). sur- (more than, beyond)surplus, surtax, surface, surpass *, surround, survival, survive, suspect

24). ultra- (beyond, very, too)ultramodern, ultrasound, ultra-violet *

25). auto- (of or by oneself) auto, autocriticism, autoland, automobile, automation *, automatic, autobiography ^, autonomous *, autonomy *

26) .mal- (bad, badly)malfunction, maltreat ^, malnutrition ^, malpractice ^

27). tele- (at or over a long distance, by or for television)telegram, television, telegraph, telephone, telecommunications *, telescope, telescreen, teleswitch, televise ^

28).semi-, hemi- (half)semicircle ^, semiconductor, semi-colony ^, hemisphere *

29). uni-, mono- (one)uniform, unify *, union, unique, unit, unite, unity, universe, universal, university, monologue ^, monopoly *, monotonous *, carbon monoxide

30).bi-, di- (two) biweekly, bicycle, bilateral ^, billion, dialogue, carbon dioxide

31).tri- (three) tricycle ^, triangle, trilogy ^, triple

32). quadri-, quadru- ^ (four)quadruple ^, quadrangle ^

33). penta- ^ (five)pentagon, Pentagon, Pentium

34).hexa- ^ (six) hexagon, hexangular

35) .sept- ^ (seven) September, Sept-Wolves

36). octa- ^(eight) octagon, octave, octopus, October

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)multi-purpose, multinational, multiple, multiply, multitude

43).counter-, anti-, contra- (opposite, against)counterattack, counterclockwise, counterrevolutionary, antibiotic, antimatter, antiwar, contradict *, contradiction, contramissile, contranatural, contrary, contrast

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

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)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

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

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

55).mid- (middle)midday, midnight

56).poly- (many)polycentric, polydirectional

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

58). thermo- (heat)thermochemistry, thermometer

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