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：suad-, suas-, suav-

【来源及含义】Latin: suavis, "sweet"; suadere, "to advise"; "to make something pleasant to, to present in a pleasing manner"; hence "to recommend, to advise"

【同源单词】assuage, assuagement, assuager, assuasive, assuasive, convince