1. Essential Stems

2. un
not
unequal

3. dis
away
dismiss

4. re
again
recycle

5. mot mob
move
mobile

6. -tion
act or state
addition

7. pre
before
predict

8. spect
look
inspect

9. dict
say
diction

10. com con
together
common

11. chron
time
chronological

12. sym syn
together
sympathy

13. sub
under
submarine

14. port
carry
portable

15. miss
send
missionary

16. graph
write
autograph

17. de-
down
descend

18. bi di
two
bicycle

19. scrib script
write
scribble

20. bene
good
benefit

21. mal
bad
malpractice

22. bio
life
biology

23. therm
heat
thermometer

24. mis-
bad
mistake

25. viv
life
vivid

26. junct
join
junction

27. rupt
break
disrupt

28. ceed cede go
proceed

29. cred
believe
credit

30. ad to
advance

31. phon
sound
telephone

32. non
not
nonsense

33. biblio
book
bibliography

34. amphi
both
amphibian

35. in im
into
include

36. trans
across
transport

37. omni
all
omniscient

38. se-
apart
separate

39. circum
around
circumference

40. fer
carry
ferry

41. extra
beyond
extraordinary

42. geo
earth
geography

43. equi
equal
equation

44. phobia
fear
arachnophobia

45. theo
god
theology

46. cracy
government
democracy

47. oct
eight
octopus

48. tri
three
triangle

49. meter
measure
thermometer

50. trib
pay
contribute

51. demo
people
democracy

52. pop
people
population

53. mar
sea
marine

54. neo
new
neophyte

55. hyper
over
hyperactive

56. alter
other
alternate

57. super
over
Superman

58. scope
look
telescope

59. auto
self
autograph

60. temp
time
temporary

61. astr
star
astronaut

62. ex-
out
exit

63. ject
throw
eject

64. ped
foot or child
pedal pediatrician

65. man
hand
manicure

66. fict fact fy
make
fiction

67. ambul
walk
perambulator

68. bell
war
rebel

69. aqua
water
aquarium

70. hydro
water
hydrant

71. soph
wise
sophomore

72. mono
one
monopoly

73. fract
break
fraction

74. prim
first
primary

75. sol
alone
solo

76. magna
great
magnificent

77. liber
free
liberty

78. clude
close
exclude

79. gen
origin
genetic

80. polis
city
metropolis

81. sol
sun
solar

82. -cle -cule
small
miniscule

83. il-
not
illegal

84. -ness
quality
kindness

85. -er -or
one who does
actor

86. -logy
study of
biology

87. -ous
having qualities of
joyous

88. im- in-
not
impossible

89. fore
before
forecast

90. ann
year
annual

91. poly
many
polygon

92. semi
half
semi-sweet

93. -able -ible
able to; capable of
unable

94. -ish
having the quality of
childish

95. terra
earth
terrapin

96. -ar
related to
lunar

97. medi
center
median

98. ab abs
away
absent

99. lat
side
lateral

100. naut nav
ship
nautical

101. -ic
having the nature of
bionic

102. kilo
thousand
kilometer

103. inter
between
interrupt

104. volv
roll
revolve

105. -cide
kill
pesticide

106. pac
peace
pacifier

107. mania
madness
maniac

108. lith
rock
lithograph

109. audi
hear
audio

110. vid
look
video

111. zo
animal
zoo

112. phile
love
zoo

113. greg
group
congregate

114. -ism
doctrine
socialism

115. path
feel
sympathy

116. rect
right
correct

117. fid
faith
confide

118. epi
upon; on top of
epicenter

119. tract
pull
tractor

120. pro
forward
promote