Affixes

Reagan Latin and Greek Roots and Affix List



A comprehensive list of roots, stems, prefixes, and suffixes to help students break down words for better understanding:



Root/Affix Definition Example



1. a-, an- not, without abyss

2. ad‑ to; toward advance

3. agri/agro field agriculture

4. ama/ami/amor love, friend amorous,

amiable

5. ambi- both ambivalent

6. andr/o man, male android

7. ann/enn year annual

8. ante‑ before anteroom

9. anthrop/o man, human anthropology

10. anti‑ against anti‑nuke

11. aqua water aquatic

12. arch/archi rule, first, chief archenemy

13. astro/aster/astr star astronomy

14. aud hear auditory

15. auto‑ self; alone automatic

16. avi bird aviation

17. bel(l) war bellicose

18. bene‑ good; well benefit

19. bi‑/bin- two bifocal

20. bibl/i/o book Bible

21. bio life biology

22. caco- bad, ill cacophony

23. capit head decapitate

24. capt take, hold, seize capture

25. cardi/o heart cardiogram

26. carn/carni flesh, meat carnivore

27. cata- down, completely, catastrophe

against, intensive

28. cede/ceed/cess move, yield recede

29. cent‑ hundred century

30. cephal/o head hydrocephalic

31. chrom color monochromatic

32. chron time chronological

33. -cide, cis to kill; cut suicide,

excision

34. circum‑ around circumference

35. clar clear clarity

36. cogn knowledge incognito

37. con‑, com‑, cor- with; together companion

38. contra‑/counter- against counteract

39. corp/o, corpor body corporal

40. cosmo universe, world cosmopolitan

41. -cracy/crat govern democracy

42. cred believe incredible

43. cycl/o circle, wheel bicycle

44. de‑ from; down; away descend

45. dec‑ ten decade

46. dem people democracy

47. derm skin dermatology

48. di‑ apart divorce

49. dia- through; across diaphanous

50. dic/dict say, speak dictate

51. dis‑ not; apart disapprove

52. duc, duct lead educate

53. dyn/a, dynam/o power, energy, dynamic

strength

54. dys- bad, difficult dysfunctional

abnormal, impaired

55. e‑, ex‑ out of exonerate

56. ecto- outside ectotherm

57. ego self egotistical

58. en-, em- in energy

59. endo- inside endocarditis

60. epi- outside, over epicanthus,

among, after epilogue

61. equi‑ equal equilateral

62. erg/o work ergophobic

63. eu- good, well euphoria

64. extra‑, extro- outside, extravagant

beyond, above

65. fac(t)/fec/fic do, make manufacture

66. -fer/-ferous carry, produce transfer

67. fid trust infidelity

68. fin end final

69. flu f low fluctuate

70. frater brother fraternal

71. fus pour profusion

72. gen/gon birth; origin genesis

73. geo earth geography

74. glott tongue glottal

75. gnos/gnom knowledge diagnosis

76. graph/gram write; record autograph

77. greg flock congregation

78. gress/grad/e to step, to go transgress

degrade

79. gyn woman; female gynecology

80. heli/o sun heliocentric

81. hemi‑ half hemisphere

82. hemo/em blood hemophilia

83. hetero different, other heterogeneous

84. hom/o man homicide

85. homo/homeo same, similar, homonym

equal

86. hydr/o water hydrant

87. hyper‑ above; over hyperactive

88. hypo‑ below hypodermic

89. in‑, im‑, ir‑, il not incorrect;

irrational

90. inter‑ between; among intertwine

91. intra‑, intro- within, inward intramural

into

92. -itis -titis inflamation of dermatitis

93. ject throw; hurl reject

94. junct join conjunction

95. kilo‑ thousand kilowatt

96. later side unilateral

97. laud praise laudatory

98. leg law legal

99. lingu tongue; language linguistics

100. lith stone monolith

101. log/o/ology study of; word dialogue

reason geology

102. luc/lus/lumen light translucent;

illuminate




Root/Affix Definition Example



103. lun/luni moon lunar

104. macro- large, long macroscopic

105. magni‑ large magnify

106. mal‑ bad maladjusted

107. man/u/i hand manipulate

108. mania excessive desire kleptomania

109. mar/e sea maritime

110. mater/matr mother maternal

111. meta- change; beyond metamorphosis

112. meter/metr measure thermometer

113. micro‑ very small microscope

114. mid‑/medi- middle; halfway midterm

115. mil(l)‑ thousand millennium

116. mis‑ wrong mistake

misnomer

117. mis-/miso- to hate misanthropic

118. mit/miss send transmit

missive

119. mobile movable mobility

120. mono‑ one monogram

121. morph/o form; shape amorphous

122. mort/mor death immortal

123. multi‑ many multitude

124. mut change mutation

125. nasc/nat birth; born prenatal;

nascent

126. naut sailor; seaman nautical

127. nav ship; boat navigation

128. necr/o dead, death necropolis

129. neo‑ new neophyte

130. nomen/nom name; noun nomenclature

131. non- not nonconformist

132. nov new renovate

133. nym/onym name; word acronym

134. omni- all omnipotent

135. ortho straight, correct orthodontics

136. pac peace pacific

137. pan‑ all; every pandemic

138. para‑ similar paraphrase

139. pater/patri father paternal

140. path/o/pathy feeling; disease empathetic;

141. ped/i/-pede/pod foot centipede

142. pend hang suspend

143. per‑ through perforate

144. peri- around, surround periscope

145. phag to eat esophagus

phagocyte

146. phil/o/phile love; affinity for bibliophile

147. -phobia fear agoraphobia

148. phon/e sound telephone

149. phor/e bear, produce metaphor

carry

150. phos/phot light phosphorescence

photograph

151. poly‑ many polygon

152. pon/pos place; put depose

153. port carry transport

154. post‑ after postpone

155. pot/poss power potent

156. pre‑ before pre‑war

157. pro‑ for; forth pronoun;

proceed

158. pseud/o false pseudopod

159. psych mind psychology

160. pyro fire; heat; fever pyromaniac

161. quad‑ four quadruplets

162. re‑ back; again return

163. retro- backward; behind retroactive

164. sci know prescient

165. scop, -scope view; examine endoscope

166. scrib/scrip write scripture

167. semi‑ half semicircle

168. sen old senile

169. sent/sens feel; think presentiment

170. sol sun parasol

171. soph wise philosopher

172. soror sister sorority

173. spec/t/spic look at; examine spectator

174. spir/o breathe respiration

175. sta/t/-stasis stand; firm; homeostasis

stable, steady

176. struct build construct

177. sub‑ under subway

178. super‑ above; over superintendent

179. syn-, sym-, syl- together, same synthesis

180. tele‑ far telescope

181. temp time temporary

182. ten/tin/tain hold tenacious

183. terra earth; land terrain

184. the/o God atheist

185. therm/o heat thermometer

186. tom/tome to cut appendectomy

187. tort turn; twist distortion

188. tox poison toxemia

189. tract draw; pull extract

190. trans‑ across transfer

191. tri‑ three triple

192. un‑ not unwise

193. uni‑ one unilateral

194. ven come convene

195. ver true verity

verisimilitude

196. vers/vert to turn versatile

197. vic/vinc conquer victory

198. vid/vis see evident

199. viv/i/vit/vi life survive

200. voc/vok call, voice vocal/provoke

201. vol wish volunteer

202. volv/volut roll revolve

203. vor devour; eat voracious

204. xen/o foreign xenophobic

205. zo animal zoology