heresy vs unorthodoxy

heresy and unorthodoxy both are nouns.

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

As nouns, heresy and unorthodoxy are synonyms defined as:

heresy and unorthodoxy: a belief that rejects the orthodox tenets of a religion

As nouns, heresy and unorthodoxy are synonyms defined as:

heresy and unorthodoxy: any opinions or doctrines at variance with the official or orthodox position

Other synonyms of heresy include heterodoxy.

heresy (noun)	unorthodoxy (noun)
a belief that rejects the orthodox tenets of a religion	the quality of being unorthodox
any opinions or doctrines at variance with the official or orthodox position	any opinions or doctrines at variance with the official or orthodox position
	a belief that rejects the orthodox tenets of a religion