feigning vs hypocrisy

feigning and hypocrisy both are nouns.

Word	Noun	Adjective	Verb	Adverb
feigning	Yes	No	No	No
hypocrisy	Yes	No	No	No

As nouns, hypocrisy is a hyponym of feigning; that is, hypocrisy is a word with a more specific, narrower meaning than feigning:

feigning: pretending with intention to deceive
hypocrisy: an expression of agreement that is not supported by real conviction

Other hyponyms of feigning include bluff, pretext, stalking-horse, lip service.

feigning (noun)	hypocrisy (noun)
the act of giving a false appearance	insincerity by virtue of pretending to have qualities or beliefs that you do not really have
pretending with intention to deceive	an expression of agreement that is not supported by real conviction