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：-spec-, -specul-, -spic-, -spect-

【词根含义】：看

【词根来源】：-spec-/-spect-/-specul-(看)来源于拉丁语动词specere, spectare和speculari,均有"看","观察"的意义;-spic-(看)来源于specere的变体spicere(只在拉丁语复合词中出现)。可追溯至原始印欧语spek-(看)。

【同源单词】：despite, especially, special, specialisation, specialise

词根：-spec-

【词根含义】：种;特别

【词根来源】：-spec-作“种;特别”的意义时,来源于拉丁语中动词specere(看)派生的species(外观,种类)和specialis(特定类型的)。可追溯至原始印欧语spek-(看)。

【同源单词】：despite, especially, special, specialisation, specialise

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：spec-, spic-, spect-, spectat-, spectro- -spectr, -spectful, -spection, -spective

【来源及含义】Latin: to see, seeing; to look at, looking at; sight, to appear, appearing; to behold, to examine, examining

【相关词根词缀】 Cross references of word families that are related directly, or indirectly, to: "appear, visible, visual, manifest, show, see, reveal, look": blep-; delo-; demonstra-; opt-; -orama; pare-; phanero-; phant-; pheno-; scopo-; vela-, veal-; video-, visuo-.

【同源单词】Ab alio expectes, alcohol fetopathy, allopatric speciation, aspect, audiospectography, auspex