词根：-ple-, -pli-, -ply-, -plen-

【词根含义】：充满

【词根来源】：在拉丁语中基本动词plere(填充),加上适当的前缀,可以组成众多的复合词;其中复合动词com.plere(充满,完成)是英语complete和comply的词源、复合动词sup.plere是英语supply的词源,等等;而-plen-来源于拉丁语中由动词plere(填充)派生的plen.us(充满的)。均可追溯至原始印欧语ple-。

【同源单词】：complement, complementary, complete, completely, completion

词根：-plic-, -ply-, -plex-

【词根含义】：折叠

【词根来源】：-plic-和-ply-来源于拉丁语动词plic.o, plic.are, plic.avi, plic.atus(折叠,卷绕);-plex-来源于拉丁语动词plecto, plectere, plexi, plectus(重叠,编织)。可追溯至原始印欧语pl-(折叠)。

【同源单词】：applicable, applicant, application, complicate, complicated

前缀：il-, in-, ir-, im-

【词根含义】：不,无,非;入,向内

【词根来源】：(il-用于l前;im-用于b, m, p前;ir-用于r前;in-用于其它情况)   来源于拉丁语in。

【同源单词】：illegal, illegality, illegitimate, illiterate, illogical

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：plic-, pli- plect-, plec-, plici-, -plex, -plexity, -plexus, -ple, -pli, -plic, -plicat, -plicit, -plicate, -plication, -ply

【来源及含义】Latin: plicare, plecare, to fold, bend, curve, turn, twine, twist, interweave, weave

【相关词根词缀】 Inter-related cross references involving word units meaning "bend, curve, turn": diversi-; diverticul-; flect-, flex-; gyro-; meand-; streph-; stroph-; tors-; tropo-; verg-; vers-; volv-.

【同源单词】accomplice, app, appliableness, appliably, appliance, applicability