boy vs girl

boy and girl both are nouns.

Word	Noun	Adjective	Verb	Adverb
boy	Yes	No	No	No
girl	Yes	No	No	No

boy (noun)	girl (noun)
a youthful male person	a young female
(ethnic slur) offensive and disparaging term for Black man	a girl or young woman with whom a man is romantically involved
a friendly informal reference to a grown man	a youthful female person
a male human offspring	a friendly informal reference to a grown woman
	a female human offspring