词根：-vari-

【词根含义】：变化

【词根来源】：来源于拉丁语形容词vari.us, vari.a, vari.um(多样化的,可变的)。

【同源单词】：invariable, invariably, variable, variation, varied

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：-able

【来源及含义】Latin: a suffix; expressing capacity, fitness to do that which can be handled or managed, suitable skills to accomplish something; capable of being done, something which can be finished, etc.

【相关描述】A suffix that forms adjectives. The suffix -ible has related meanings; expressing ability, capacity, fitness; capable of, fit for, able to be done, can be done, inclined to, tending to, given to.

This list is only a small sample of the thousands of -able words that exist in English.

【同源单词】abdicable, -able, abolishable, abominable, abradable, acceptable

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