conformance vs correspondence

conformance and correspondence both are nouns.

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

As nouns, correspondence is a hypernym of conformance; that is, correspondence is a word with a broader meaning than conformance:

Other hypernyms of conformance include agreement.

conformance (noun)	correspondence (noun)
correspondence in form or appearance	similarity by virtue of corresponding
	compatibility of observations
	(mathematics) an attribute of a shape or relation; exact reflection of form on opposite sides of a dividing line or plane
	communication by the exchange of letters
	the relation of corresponding in degree or size or amount