nickel, 7
niece, 9
nineteen, 33
ninetieth, 29
ninety, 6
ninth, 33
no, 15
nomination, 50
nominative, 8
nonchalant, 56
nonsense, 32
noticeable, 13
noticing, 50
notion, 50
noun, 72
nucleus, 21
nuisance, 29
numerator, 16
numerical, 31
nutrients, 72
oar, 79
obedience, 50
oblige, 10
obliging, 72
oblique, 25
obstacle, 72
occasion, 2
occasional, 38
occasionally, 6
occupation, 13
occupy, 24
occur, 11
occurred, 4
occurrence, 3
occurring, 20
o'clock, 72
octagon, 66
odor, 5
[oe]sophagus, 41
of, 13
off, 13
offered, 50