151. re- = back反 reaffirm重申

152. retro- = back向后 retroact倒行

153. se = apart分離 secede退出

154. semi- = half半 semibreve全音符

155. sex- = six六 sexagesimal六十的

156. sine- = without無 sinecure閑職

157. sub = under低 subagent副代理人

158. subter- = beneath少于 subterfuge托詞

159. super- = over超過 super-abound過分

160. supra- (意大利語sopra-) = above超 supra-class超階級的

161. supre- = above無上 supreme最高的

162. syn- = together共 syllabary音節(jié)表

163. tele- = distant遠(yuǎn) telecamera電視攝像機(jī)

164. tetr- = four四 tetracycline四環(huán)素

165. through- = through同詞異形 throughout遍及

166. to- = to today今天

167. trans- = across橫過 transact處理

168. tri- = three三 triad三人組合

169. tri- = three三 triangle三角

170. trich- = hair毛發(fā) trichoid發(fā)狀的

171. twi- = two twin孿生

172. ultra- = beyond超過 ultra-left極左分子

173. un =  back表示行動的顛倒，倒退，反向；推翻 undo解開

174. un = on until直到…為止

175. un- = one一 unit單位

176. under- = under與動詞結(jié)合 undergo經(jīng)歷

177. under- = under與名詞結(jié)合 underhand秘密的

178. under- = under與與其它詞結(jié)合 underneath在下面

179. un相當(dāng)于not untrue假的

180. un增加語勢或強(qiáng)調(diào) unloose放松

181. up- = up與動詞結(jié)合 up-bear舉起

182. up- = up與名詞結(jié)合 upland高地

183. up- = up與與其它詞結(jié)合 upward向上的

184. vice- = acting in place of another副 vice-consul副領(lǐng)事

185. wan- = lacking缺乏 wanton愛玩的

186. wel- = well使動詞構(gòu)成名詞 welcome歡迎

187. with- = back withdraw收回