unity vs identity

unity and identity both are nouns.

Word	Noun	Adjective	Verb	Adverb
unity	Yes	No	No	No
identity	Yes	No	No	No

As nouns, identity is a hypernym of unity; that is, identity is a word with a broader meaning than unity:

Other hypernyms of unity include identicalness, indistinguishability.

unity (noun)	identity (noun)
the quality of being united into one	the distinct personality of an individual regarded as a persisting entity
the smallest whole number or a numeral representing this number	exact sameness
an undivided or unbroken completeness or totality with nothing wanting	the individual characteristics by which a thing or person is recognized or known
	an operator that leaves unchanged the element on which it operates