cleave vs cleaver

cleave is not a noun while cleaver is a noun.

Word	Noun	Adjective	Verb	Adverb
cleave	No	No	Yes	No
cleaver	Yes	No	No	No

cleave (noun)	cleaver (noun)
	a butcher's knife having a large square blade

cleave (verb)	cleaver (verb)
separate or cut with a tool, such as a sharp instrument
make by cutting into
come or be in close contact with; stick or hold together and resist separation