heterosexual person vs heterosexual

heterosexual person and heterosexual both are nouns.

Word	Noun	Adjective	Verb	Adverb
heterosexual person	Yes	No	No	No
heterosexual	Yes	Yes	No	No

As nouns, heterosexual person and heterosexual are synonyms defined as:

heterosexual person and heterosexual: a person having a sexual orientation to persons of the opposite sex

Other synonyms of heterosexual person include straight, straight person.

heterosexual person (noun)	heterosexual (noun)
a person having a sexual orientation to persons of the opposite sex	a person having a sexual orientation to persons of the opposite sex

heterosexual person (adjective)	heterosexual (adjective)
	sexually attracted to members of the opposite sex