List of 200 Latin root words commonly used in the English language, along with their meanings:

1. A- / An-: Not, without (e.g., amoral, atheist)
2. Ab- / Abs-: Away from, off (e.g., absent, abduct)
3. Ad-: To, toward (e.g., adhere, adjust)
4. Ambi-: Both (e.g., ambidextrous, ambiguous)
5. Amo- / Amor-: Love (e.g., amiable, amorous)
6. Ante-: Before (e.g., antecedent, antebellum)
7. Aqua-: Water (e.g., aquatic, aquarium)
8. Aud- / Aus-: Hear, listen (e.g., audible, audience)
9. Bene-: Good, well (e.g., benefit, benevolent)
10. Bi-: Two, double (e.g., bicycle, bifocal)
11. Circum-: Around (e.g., circumvent, circumference)
12. Con- / Co- / Col- / Cor-: Together, with (e.g., connect, collaborate)
13. Cred-: Believe (e.g., credible, credence)
14. De-: Down, away (e.g., descend, depart)
15. Dict-: Say, speak (e.g., dictate, contradict)
16. Dis-: Apart, not (e.g., disagree, dishonest)
17. Duo-: Two (e.g., duet, duplicate)
18. Equi-: Equal, same (e.g., equidistant, equilateral)
19. Ex-: Out, away (e.g., exit, exclude)
20. Fac- / Fic- / Fect-: Make, do (e.g., facilitate, factory)
21. Fin-: End, boundary (e.g., finish, define)
22. Fort-: Strong (e.g., fortify, fortress)
23. Frater-: Brother (e.g., fraternity, fraternal)
24. Gen-: Birth, origin (e.g., generation, genetics)
25. Grav-: Heavy, serious (e.g., gravity, grave)
26. Homo-: Same, alike (e.g., homogenous, homonym)
27. In- / Il- / Im- / Ir-: Not, without (e.g., incorrect, illegal)
28. Inter-: Between, among (e.g., interact, international)
29. Intra-: Within, inside (e.g., intramural, intravenous)
30. Intro-: Into, inside (e.g., introduce, introspection)
31. Jus- / Jur-: Law, right (e.g., justice, jurisdiction)
32. Liber-: Free (e.g., liberty, liberate)
33. Loc- / Log-: Place, speech, study (e.g., location, dialogue, logic)
34. Magn-: Great, large (e.g., magnify, magnificent)
35. Mal-: Bad, evil (e.g., malice, malfunction)
36. Medi-: Middle (e.g., medium, medieval)
37. Mis-: Bad, wrong (e.g., mislead, mistake)
38. Multi-: Many, much (e.g., multiple, multiply)
39. Non-: Not (e.g., nonfiction, nonsense)
40. Nov-: New (e.g., novel, innovate)
41. Omni-: All, every (e.g., omniscient, omnipotent)
42. Pac-: Peace (e.g., pacify, pacifist)
43. Pan-: All, entire (e.g., panorama, pandemic)
44. Per-: Through, completely (e.g., perceive, perfect)
45. Plur-: More, several (e.g., plural, plurality)
46. Port-: Carry (e.g., portable, transport)
47. Post-: After, behind (e.g., postgraduate, postmortem)
48. Pre-: Before, in front of (e.g., prefix, prehistoric)
49. Pro-: For, forward (e.g., promote, proactive)
50. Quadri-: Four (e.g., quadrilateral, quadruplet)
51. Re-: Again, back (e.g., return, recover)
52. Retro-: Backward (e.g., retrospective, retrograde)
53. Scrib- / Script-: Write (e.g., scribe, script)
54. Sem-: Half (e.g., semiannual, semicircle)
55. Sen-: Old (e.g., senior, senator)
56. Sol-: Alone, lonely (e.g., solitude, solitary)
57. Spec- / Spect-: Look, see (e.g., inspect, spectacles)
58. Sub- / Sus-: Under, below (e.g., submerge, suspect)
59. Super- / Supra-: Above, beyond (e.g., superior, supersonic)
60. Tele-: Far, distant (e.g., telephone, telepathy)
61. Tempor-: Time (e.g., temporary, contemporary)
62. Trans-: Across, beyond (e.g., transport, transform)
63. Un-: Not, opposite of (e.g., unhappy, unlikely)
64. Uni-: One (e.g., unify, unique)
65. Ver-: True (e.g., verify, veracity)
66. Via-: Way, road (e.g., via, deviate)
67. Vid- / Vis-: See (e.g., video, vision)
68. Viv- / Vit-: Life, alive (e.g., revive, vital)
69. Voc-: Call, voice (e.g., vocal, vocabulary)
70. Vol-: Will, wish (e.g., volunteer, voluntary)
71. Ann- / Enn-: Year (e.g., annual, anniversary)
72. Duc- / Duct-: Lead, guide (e.g., educate, conductor)
73. Equ-: Equal, even (e.g., equation, equanimity)
74. Fer-: Carry, bear (e.g., transfer, infer)
75. Fid-: Faith, trust (e.g., confident, fidelity)
76. Flu- / Flux-: Flow (e.g., fluid, influence)
77. Fract- / Frag-: Break, shatter (e.g., fracture, fragment)
78. Grat-: Pleasing, thankful (e.g., grateful, gratitude)
79. Greg-: Group, flock (e.g., congregation, segregate)
80. Hosp-: Host, guest (e.g., hospitality, hospital)
81. Leg- / Lig-: Law, read, choose (e.g., legal, intelligent)
82. Liber-: Book (e.g., library, librarian)
83. Locu- / Loqu-: Speak, talk (e.g., eloquent, loquacious)
84. Luc- / Lum-: Light (e.g., illuminate, luminary)
85. Magn-: Great, large (e.g., magnify, magnificent)
86. Mater-: Mother (e.g., maternal, maternity)
87. Medi-: Middle (e.g., medium, medieval)
88. Migr-: Move (e.g., migrate, immigration)
89. Mort-: Death (e.g., mortal, mortality)
90. Nomin-: Name (e.g., nominate, nomination)
91. Nov-: New (e.g., novelty, renovate)
92. Pac-: Peace (e.g., pacify, pacifist)
93. Ped-: Foot (e.g., pedestrian, pedal)
94. Pend-: Hang, weigh (e.g., suspend, pendulum)
95. Plic- / Plicit-: Fold, bend (e.g., duplicate, implicit)
96. Pugn-: Fight, war (e.g., pugnacious, repugnant)
97. Reg-: Rule, king (e.g., regulate, regal)
98. Scrib- / Script-: Write (e.g., scribe, manuscript)
99. Sent- / Sens-: Feel, think (e.g., sentiment, sensitive)
100. Serv-: Serve, save (e.g., servant, preserve)
101. Sol-: Alone, lonely (e.g., solitary, solitaire)
102. Spec- / Spect-: Look, see (e.g., inspect, spectacles)
103. Tempor-: Time (e.g., temporary, temporal)
104. Tend- / Tent-: Stretch, aim (e.g., extend, attentive)
105. Tort-: Twist, bend (e.g., distort, torture)
106. Tract-: Pull, drag (e.g., attract, tractor)
107. Val-: Strength, worth (e.g., valid, evaluate)
108. Vinc- / Vict-: Conquer (e.g., convince, victory)
109. Viv- / Vit-: Life, alive (e.g., vivid, vitality)
110. Voc- / Vok-: Call, voice (e.g., vocal, revoke)
111. Acu-: Sharp, needle (e.g., acute, acupuncture)
112. Alt-: High, deep (e.g., altitude, alter)
113. Anim-: Life, soul (e.g., animal, animate)
114. Capit- / Capt-: Head (e.g., capital, captain)
115. Ced- / Cess-: Yield, go (e.g., precede, success)
116. Cern- / Cert-: Separate, decide (e.g., discern, certain)
117. Civ-: Citizen (e.g., civilization, civil)
118. Cord- / Card-: Heart (e.g., cordial, cardiac)
119. Cur- / Curr-: Run (e.g., current, curriculum)
120. Dol-: Pain (e.g., condolence, dolorous)
121. Duc- / Duct-: Lead, guide (e.g., conduct, induction)
122. Err-: Wander, stray (e.g., error, erratic)
123. Fac- / Fact-: Make, do (e.g., factory, facilitate)
124. Fed- / Fid-: Trust, faith (e.g., federal, fidelity)
125. Ferr-: Iron (e.g., ferrous, ferry)
126. Greg-: Group, flock (e.g., aggregate, gregarious)
127. Hydr-: Water (e.g., hydrate, hydroponics)
128. Ign-: Fire (e.g., ignite, ignition)
129. In- / Il- / Im- / Ir-: Not, without (e.g., incapable, illegal)
130. Junct-: Join (e.g., junction, conjunction)
131. Later-: Side (e.g., lateral, bilateral)
132. Lib-: Free (e.g., liberty, liberate)
133. Lingua-: Language, tongue (e.g., linguistics, bilingual)
134. Loc- / Log-: Place, speech, study (e.g., location, logic)
135. Mater- / Matr-: Mother (e.g., maternal, matriarch)
136. Med-: Middle (e.g., medieval, Mediterranean)
137. Mor- / Mort-: Death (e.g., mortal, immortal)
138. Mut-: Change (e.g., mutate, immutable)
139. Opt-: Eye, vision (e.g., optic, optician)
140. Pend- / Pens-: Hang, weigh (e.g., pendulum, suspense)
141. Pet- / Petit-: Seek, strive (e.g., petition, compete)
142. Plac-: Please (e.g., placebo, placate)
143. Pugn-: Fight (e.g., pugnacious, repugnant)
144. Rid- / Ris-: Laugh (e.g., ridiculous, derision)
145. Sacr- / Sanct-: Holy (e.g., sacred, sanctify)
146. Sen- / Sens-: Feel (e.g., sensory, sensitive)
147. Solv- / Solut-: Loosen, solve (e.g., dissolve, solution)
148. Spir-: Breathe, spirit (e.g., inspire, conspire)
149. Spond- / Spons-: Promise, answer for (e.g., sponsor, respond)
150. String- / Strict-: Bind, draw tight (e.g., restrict, constrict)
151. Tacit-: Silent (e.g., taciturn, tacit)
152. Tempor-: Time (e.g., temporary, temporal)
153. Ten- / Tin- / Tain-: Hold (e.g., tenacious, retain)
154. Tract-: Pull, draw (e.g., attract, traction)
155. Val-: Strength, worth (e.g., valuable, evaluate)
156. Ven- / Vent-: Come (e.g., convene, adventure)
157. Verb-: Word (e.g., verbose, proverb)
158. Vid- / Vis-: See (e.g., video, visible)
159. Voc- / Vok-: Call, voice (e.g., vocalize, invocation)
160. Volv- / Volu-: Roll, turn (e.g., involve, evolution)
161. Ac-: Sharp (e.g., acute, acid)
162. Alg-: Pain (e.g., neuralgia, analgesic)
163. Anim-: Life, spirit (e.g., animate, animal)
164. Cap- / Capt-: Take, seize (e.g., capture, captivate)
165. Cit-: Call, summon (e.g., cite, recite)
166. Cred-: Believe, trust (e.g., credible, credence)
167. Dic- / Dict-: Say, speak (e.g., dictate, verdict)
168. Duc- / Duct-: Lead (e.g., educate, conduct)
169. Fac- / Fact-: Make, do (e.g., factory, artifact)
170. Fer-: Carry, bear (e.g., transfer, infer)
171. Fid-: Trust, faith (e.g., confident, fidelity)
172. Frang- / Fract-: Break (e.g., fracture, fraction)
173. Grat-: Pleasing, thankful (e.g., grateful, gratify)
174. Jur-: Law (e.g., jurisdiction, jury)
175. Leg-: Law, read (e.g., legal, legislature)
176. Liber-: Free (e.g., liberty, liberate)
177. Loc- / Log-: Place, study (e.g., location, logical)
178. Luc-: Light (e.g., lucid, illuminate)
179. Mater-: Mother (e.g., maternal, maternity)
180. Mort-: Death (e.g., mortal, mortality)
181. Mov- / Mot-: Move (e.g., movement, motivate)
182. Noc- / Nox-: Harm (e.g., innocent, noxious)
183. Nov-: New (e.g., novelty, renovate)
184. Omni-: All, every (e.g., omniscient, omnipotent)
185. Pat- / Pass-: Suffer, feel (e.g., patient, compassion)
186. Port-: Carry (e.g., portable, transport)
187. Scrib- / Script-: Write (e.g., scribe, script)
188. Sens- / Sent-: Feel, think (e.g., sensation, sentiment)
189. Spec- / Spect-: See (e.g., inspect, spectacles)
190. Spir-: Breathe, spirit (e.g., inspire, conspire)
191. Tempor-: Time (e.g., temporary, temporal)
192. Ten- / Tin- / Tain-: Hold (e.g., tenacious, retain)
193. Terr-: Earth, land (e.g., terrain, territory)
194. Tort-: Twist (e.g., distort, torture)
195. Tract-: Pull, draw (e.g., attract, traction)
196. Val-: Strength, worth (e.g., valid, evaluate)
197. Ven- / Vent-: Come (e.g., convene, adventure)
198. Ver-: True (e.g., verify, veracity)
199. Vict- / Vinc-: Conquer (e.g., victory, convince)
200. Viv- / Vit-: Life, alive (e.g., revive, vitality)

These Latin root words serve as the foundation of many English words and understanding them can help you decipher the meanings of unfamiliar words.