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：grad-, -grade, -gred, -gree, -gress

【来源及含义】Latin: walk, step, take steps, move around; walking or stepping

【同源单词】ad eundem gradum, aggradation, aggression, aggressive, aggressively, aggressiveness

词根词缀：retro-, retr-

【来源及含义】Latin: back, backward, backwards; behind

【同源单词】arrear, regurgitant menstruation, retroact, retroaction, retroactive, retroactively