nonconformism vs nonconformance

nonconformism and nonconformance both are nouns.

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

As nouns, nonconformism and nonconformance are synonyms defined as:

nonconformism and nonconformance: a lack of orthodoxy in thoughts or beliefs

Other synonyms of nonconformism include nonconformity.

nonconformism (noun)	nonconformance (noun)
the practice of nonconformity	failure to conform to accepted standards of behavior
a lack of orthodoxy in thoughts or beliefs	a lack of orthodoxy in thoughts or beliefs