heresy vs nonconformism

heresy and nonconformism both are nouns.

Word	Noun	Adjective	Verb	Adverb
heresy	Yes	No	No	No
nonconformism	Yes	No	No	No

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

heresy: any opinions or doctrines at variance with the official or orthodox position
nonconformism: a lack of orthodoxy in thoughts or beliefs

Other hyponyms of heresy include iconoclasm, nonconformance, nonconformity.

heresy (noun)	nonconformism (noun)
a belief that rejects the orthodox tenets of a religion	the practice of nonconformity
any opinions or doctrines at variance with the official or orthodox position	a lack of orthodoxy in thoughts or beliefs