词根词缀：-ate (to do)

【来源及含义】Latin: a suffix; to do, to make, to cause, or to act upon; to do something with

【同源单词】abbreviate, abdicate, abdicate, abnegate, accelerative, accentuate

词根词缀：pre-, prae-

【来源及含义】Latin: before [both in time and place]

【相关描述】The prefix prae- can actually be substituted for pre- because both of them are different spellings for the same prefix meaning "before".

【相关词根词缀】 Related before-word units: ante-; antero-; anti-; pro-. Related "time" units: aevum, evum; archaeo-, archeo-; Calendars; chrono-; horo-; Quotes: Time; tempo-.

【同源单词】preacquaint, preacquaintance, preagonal, pre-agricultural, preamble, preambular

词根词缀：vari-

【来源及含义】Latin: different, diversity, change, changing

【相关描述】Believed by some etymologists to be from varus, "bent, knock-kneed; to bend, to turn, to twist".

【相关词根词缀】 Inter-related cross references, directly or indirectly, involving word units meaning "another, other, different, alternating, varied, changing": ali-; allo-; alter-; allelo-; hetero-; mut-; poikilo-; reciproc-.

【同源单词】divaricate, electrically variable coil, electrophoretic variants, geomagnetic secular variation, geomagnetic variation, idiovariation