dolly vs sawdust doll

dolly and sawdust doll both are nouns.

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

As nouns, sawdust doll is a hyponym of dolly; that is, sawdust doll is a word with a more specific, narrower meaning than dolly:

Other hyponyms of dolly include golliwog, golliwogg, kachina, paper doll, puppet, rag doll, toy soldier.

dolly (noun)	sawdust doll (noun)
a small replica of a person; used as a toy	a doll that is stuffed with sawdust
conveyance consisting of a wheeled platform for moving heavy objects
conveyance consisting of a wheeled support on which a camera can be mounted