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：lumb-, lumbo-

【来源及含义】Latin: loin; by extension, the lower back

【相关词根词缀】 Word families with similar applications: "back, backside" word units: dorso- (back, on the back); nuch- (nape of the neck); pygo- (rump, rear end, back side).

【同源单词】ascending lumbar vein, iliolumbar vein, ischemic lumbago, lumbago, lumbal, lumbar