cleave vs cling

cleave is not a noun while cling is a noun.

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

As verbs, cleave and cling are synonyms defined as:

cleave and cling: come or be in close contact with; stick or hold together and resist separation

Other synonyms of cleave include adhere, cohere, stick.

cleave (noun)	cling (noun)
	fruit (especially peach) whose flesh adheres strongly to the pit

cleave (verb)	cling (verb)
separate or cut with a tool, such as a sharp instrument	come or be in close contact with; stick or hold together and resist separation
make by cutting into	hold on tightly or tenaciously
come or be in close contact with; stick or hold together and resist separation	to remain emotionally or intellectually attached