nicety vs conformity

nicety and conformity both are nouns.

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

As nouns, conformity is a hypernym of nicety; that is, conformity is a word with a broader meaning than nicety:

Other hypernyms of nicety include conformance.

nicety (noun)	conformity (noun)
conformity with some esthetic standard of correctness or propriety	acting according to certain accepted standards
a subtle difference in meaning or opinion or attitude	hardened conventionality
	correspondence in form or appearance
	orthodoxy in thoughts and belief
	concurrence of opinion