affect vs feign

affect is a noun but feign is not a noun.

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

As verbs, affect and feign are synonyms defined as:

Other synonyms of affect include dissemble, pretend, sham.

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

affect (verb)	feign (verb)
act physically on; have an effect upon	make believe with the intent to deceive
have an effect upon	make a pretence of
make believe with the intent to deceive
have an emotional or cognitive impact upon
connect closely and often incriminatingly