hypocrisy vs feigning

hypocrisy and feigning both are nouns.

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

As nouns, feigning is a hypernym of hypocrisy; that is, feigning is a word with a broader meaning than hypocrisy:

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

Other hypernyms of hypocrisy include dissembling, pretence, pretense.

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