pretend vs feign

pretend is a noun but feign is not a noun.

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

As verbs, pretend and feign are synonyms defined as:

Other synonyms of pretend include affect, dissemble, sham.

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

Other hyponyms of pretend include assume, sham, simulate.

pretend (noun)	feign (noun)
the enactment of a pretense

pretend (adjective)	feign (adjective)
imagined as in a play

pretend (verb)	feign (verb)
make believe with the intent to deceive	make believe with the intent to deceive
represent fictitiously, as in a play, or pretend to be or act like	make a pretence of
put forward, of a guess, in spite of possible refutation
state insincerely
behave unnaturally or affectedly
put forward a claim and assert right or possession of