词根：-fac-, -fic-, -fect-, -fact-, -feat-

【词根含义】：做,作

【词根来源】：来源于拉丁语动词facio, facere, feci, factus(做,作)。

【同源单词】：benefit, counterfeit, facile, facilitate, facility

词根：-un-, -uni-

【词根含义】：单一

【词根来源】：来源于拉丁语un.us, un.a, un.um(一个)和uni.o(单一)。可追溯至原始印欧语oinos(一)。

【同源单词】：unanimous, unify, unique, one, onion

词根词缀：-ation, -ization, -isation

【来源及含义】Greek > Latin: a suffix; action, act, process, state, or condition; or result of doing something

【相关描述】Although there are over 1,450 word entries ending with -ation or -ization listed in this unit, there are certainly many more which exist in the English language. At any rate, this unit provides a significant number of -ation and -ization examples for you to see.

【同源单词】abarticulation, abbreviation, abdication, abdominal examination, aberration, abevacuation

词根词缀：fac-, facil-, fact-, feas-, -feat, -fect, -feit, -facient, -faction, -fic-, -fy, -ficate, -fication

【来源及含义】Latin: to make, to do, to build, to cause, to produce; forming, shaping

【同源单词】Ab officio et beneficio, abortifacient, absorbefacient, absorbifacient, acoustoelectric effect, affair

词根词缀：uni-, un-

【来源及含义】Latin: one, single; a word element for number 1

【同源单词】disunion, disunionism, disunionist, disunite, disunited, disuniter