personal identity vs identity

personal identity and identity both are nouns.

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

As nouns, personal identity and identity are synonyms defined as:

personal identity and identity: the distinct personality of an individual regarded as a persisting entity

Other synonyms of personal identity include individuality.

personal identity (noun)	identity (noun)
the distinct personality of an individual regarded as a persisting entity	the distinct personality of an individual regarded as a persisting entity
	exact sameness
	the individual characteristics by which a thing or person is recognized or known
	an operator that leaves unchanged the element on which it operates