词根：-prob-, -prov-, -proof-

【词根含义】：验证,试验;证实,批准

【词根来源】：来源于拉丁语动词probo, probare, probavi, probatus(证实,批准),经古法语后字母b逐步转化为v和f。

【同源单词】：improbable, probability, probable, probably, approval

前缀：ap-

【词根含义】：加强或引申意义

【词根来源】：ad-的变体,用在p前。

【同源单词】：apparent, appeal, appealing, appear, appearance

前缀：dis-

【词根含义】：否定,相反;除去;分离,分开,散开;恶化;加强意义

【词根来源】：来源于拉丁语前缀dis-。

【同源单词】：disable, disabled, disadvantage, disadvantageous, disaffect

词根词缀：dis-, di-, dif-

【来源及含义】Latin: separation, apart, asunder; removal, away, from; negation, deprivation, undoing, reversal, utterly, completely; in different directions

【相关描述】The meaning of dis- varies with different words; dif-, assimilated form of dis- before f; di-, form of dis- before b, d, g, l, m, n, r, and v.

【同源单词】diffect, differ, difference, different, differentia, differential

词根词缀：prob-, proba-, probat-, prov-

【来源及含义】Latin: upright, good, honest; to try, to test, to examine; to demonstrate

【同源单词】Aliudque cupido, approbate, approbation, approbative, approbativeness, approvable