holy person vs holy man

holy person and holy man both are nouns.

Word	Noun	Adjective	Verb	Adverb
holy person	Yes	No	No	No
holy man	Yes	No	No	No

As nouns, holy person and holy man are synonyms defined as:

Other synonyms of holy person include angel, saint.

holy person (noun)	holy man (noun)
person of exceptional holiness	person of exceptional holiness