invariance vs invariant

invariance and invariant both are nouns.

Word	Noun	Adjective	Verb	Adverb
invariance	Yes	No	No	No
invariant	Yes	Yes	No	No

invariance (noun)	invariant (noun)
the quality of being resistant to variation	a feature (quantity or property or function) that remains unchanged when a particular transformation is applied to it
the nature of a quantity or property or function that remains unchanged when a given transformation is applied to it

invariance (adjective)	invariant (adjective)
	unvarying in nature
	unaffected by a designated operation or transformation