doll vs girl

doll and girl both are nouns.

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

As nouns, girl is a hypernym of doll; that is, girl is a word with a broader meaning than doll:

Other hypernyms of doll include fille, miss, missy, young lady, young woman.

doll (noun)	girl (noun)
a small replica of a person; used as a toy	a young female
informal terms for a (young) woman	a girl or young woman with whom a man is romantically involved
	a youthful female person
	a friendly informal reference to a grown woman
	a female human offspring