doll vs bird

doll and bird both are nouns.

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

As nouns, doll and bird are synonyms defined as:

Other synonyms of doll include chick, dame, skirt, wench.

doll (noun)	bird (noun)
a small replica of a person; used as a toy	warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings
informal terms for a (young) woman	badminton equipment consisting of a ball of cork or rubber with a crown of feathers
	a cry or noise made to express displeasure or contempt
	the flesh of a bird or fowl (wild or domestic) used as food
	informal terms for a (young) woman

doll (verb)	bird (verb)
	watch and study birds in their natural habitat