Home › Words › M › mothicidemothicidemothicide means A substance that kills moths.EtymologyFrom moth + -icide.nounA substance that kills moths.e.g.“DON’T BURN YOUR MONEY / By using inferior mothicides in storing your winter clothing.” — 1903 March 27, Lexington Leader, Lexington, Ky., page 8:Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.mosquitocide 76% match — Any substance that kills mosquitos. vs mothicide →mothproofing 73% match — A substance designed to repel moths. vs mothicide →bugicide 70% match — A substance that kills bugs. vs mothicide →cockroachicide 70% match — A substance that kills cockroaches. vs mothicide →molluscicide 69% match — A substance that kills molluscs. vs mothicide →mosquitocidal 68% match — Acting as a mosquitocide; fatal to mosquitos. vs mothicide →aphidicide 67% match — Any man-made substance that kills aphids. vs mothicide →oomycide 64% match — Any substance that kills oomycetes. vs mothicide →