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：-qual-

【词根含义】：性质,特征

【词根来源】：来源于拉丁语qui(什么,多少)。-qual-来源于由qui和形容词词尾-alis组成的qualis(什么种类的),及由此派生的拉丁语名词qualitas和动词qualificare。

【同源单词】：qualification, qualified, qualify, qualitative, quality

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：quali-, qualit-

【来源及含义】Latin: of what sort; of what kind; how constituted

【同源单词】disqualification, disqualifier, disqualify, qualification, qualifier, qualify