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：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：-fy

【来源及含义】Latin: a suffix; make, do, build, cause, produce

【同源单词】acidify, aerify, albify, amplify, arborify, aurify

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