feign vs fake

feign is not a noun while fake is a noun.

Word	Noun	Adjective	Verb	Adverb
feign	No	No	Yes	No
fake	Yes	Yes	Yes	No

As verbs, fake is a hyponym of feign; that is, fake is a word with a more specific, narrower meaning than feign:

Other hyponyms of feign include play possum, take a dive, bull, bullshit, talk through one's hat, mouth.

feign (noun)	fake (noun)
	(football) a deceptive move made by a football player
	something that is a counterfeit; not what it seems to be
	a person who makes deceitful pretenses

feign (adjective)	fake (adjective)
	not genuine or real; being an imitation of the genuine article
	fraudulent; having a misleading appearance

feign (verb)	fake (verb)
make believe with the intent to deceive	speak insincerely or without regard for facts or truths
make a pretence of	make a copy of with the intent to deceive
	tamper, with the purpose of deception