词根词缀：-cise, -cis, -cide

【来源及含义】Latin: to cut, cut

【相关描述】From this combining form, we also get -cide, "kill", but don't confuse the two elements because they have different meanings and applications.

【相关词根词缀】Related cutting-word units: cast-; castrat-; -ectomy; mutil-; put-; sec-, seg-; temno-; -tomy; trunc-.

【同源单词】cement, chisel, circumcise, concise, concisely, conciseness

词根词缀：ex-, e-, ef-

【来源及含义】Latin: a prefix occurring in words of Latin origin used in the senses: out, out of, from; upward; completely, entirely; to remove from, deprive of; without; former [said of previous holders of office or dignity]

【相关描述】Before f, ex- becomes ef-; before all voiced consonants (as b, d, g, etc.) ex- becomes e-.

【同源单词】e pluribus unum, educate, educe, efface, effacement, effete