词根词缀：-ation, -ization (-iz[e] + -ation); -isation (British spelling variation)

【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：genus, genesis-, -gen, -gene, -genesis, -genetic, -genic, -geny, -genous

【来源及含义】Latin: birth, beget; descent, origin, creation, inception, beginning, race, sort; kind, class

【同源单词】aerospace engineering, agenesis, autogenous, benign, benignant, benignantly

词根词缀：macul-, maculat-

【来源及含义】Latin: spot, mark, stain, blot, blemish, mesh; the original meaning of macula seems to have been, "a soiled spot, a spot to be cleaned"

【同源单词】Actitis macularia, immaculate, lepra maculosa, macula, macula cerulea, macula retina