unwind vs affect

unwind is not a noun while affect is a noun.

Word	Noun	Adjective	Verb	Adverb
unwind	No	No	Yes	No
affect	Yes	No	Yes	No

As verbs, affect is a hypernym of unwind; that is, affect is a word with a broader meaning than unwind:

unwind (noun)	affect (noun)
	the conscious subjective aspect of feeling or emotion

unwind (verb)	affect (verb)
become less tense, rest, or take one's ease	act physically on; have an effect upon
cause to feel relaxed	have an effect upon
separate the tangles of	make believe with the intent to deceive
reverse the winding or twisting of	have an emotional or cognitive impact upon
	connect closely and often incriminatingly