-icide /ɪsaɪd/ (also -cide) suffix [in nouns] KILLsomeone or something that kills a particular person or thing, or the act of killing 杀害者;杀 insecticide (=chemical substance for killing insects) 杀虫剂
suicide (=the act of killing yourself) 自杀
—-icidal /ɪsaɪdl/ suffix [in adjectives]
—-icidally /ɪsaɪdl-i/ suffix [in adverbs]