doll vs dolly

doll and dolly both are nouns.

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

As nouns, doll and dolly are synonyms defined as:

doll (noun)	dolly (noun)
a small replica of a person; used as a toy	a small replica of a person; used as a toy
informal terms for a (young) woman	conveyance consisting of a wheeled platform for moving heavy objects
	conveyance consisting of a wheeled support on which a camera can be mounted