conformance vs conformity

conformance and conformity both are nouns.

Word	Noun	Adjective	Verb	Adverb
conformance	Yes	No	No	No
conformity	Yes	No	No	No

As nouns, conformance and conformity are synonyms defined as:

conformance (noun)	conformity (noun)
correspondence in form or appearance	acting according to certain accepted standards
	hardened conventionality
	correspondence in form or appearance
	orthodoxy in thoughts and belief
	concurrence of opinion