
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 |
Thank you Beverly Baroski