词根:-cad-, -cid-, -cas-
【词根含义】:落下,降临,发生
【词根来源】:来源于拉丁语动词cado, cadere, cecidi, casus(落下), 落下意味着降临, 降临意味着意外发生。
【同源单词】:decadence, decay, accident, accidental, accidentally
词根:-cis-, -cid-
【词根含义】:切
【词根来源】:来源于拉丁语动词caedo, caedere, cecidi, caesus(砍,劈)。
【同源单词】:circumcision, concise, concision, decision, decisive
前缀:co-
【词根含义】:共同,一起;加强意义
【词根来源】:com-的变体,来源于希腊语koinos(共同)。
【同源单词】:coagent, coexistence, cognition, cognitive, cognize
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:cad-, cas-, cid-
【来源及含义】Latin: to fall, befall
【相关词根词缀】 A cross reference of other word family units that are related directly, or indirectly, to: "chance, luck, fate": aleato-; auspic-; fortu-; -mancy; serendipity; sorc-; temer-; tycho-.
【同源单词】accidence, accident, accidental, accidentally, accidently, cadaver
词根词缀:com-, co-, cog-, col-, con-, cor-
【来源及含义】Latin: together, together with, with
【相关描述】The prefix com- is assimilated to co- before h, w, and all vowels:
The prefix com- becomes, cog- before g: cognition, [co + gnoscere, "to know"], et al.
The prefix com- becomes, col- before l: colloquial, et al.
The prefix com- becomes, con- before c, d, g, j, n, q, s, t, v: covivant, et al.
The prefix com- becomes, cor- before r: corrigible, et al.
【相关词根词缀】 Related "together" units: greg-; inter-; struct-.
【同源单词】abscond, abscondee, anticorrosive, bioconcentration, coadjutant, coadjuting