claw hammer vs carpenter's hammer

claw hammer and carpenter's hammer both are nouns.

Word	Noun	Adjective	Verb	Adverb
claw hammer	Yes	No	No	No
carpenter's hammer	Yes	No	No	No

As nouns, claw hammer and carpenter's hammer are synonyms defined as:

claw hammer and carpenter's hammer: a hammer with a cleft at one end for pulling nails

Other synonyms of claw hammer include clawhammer.

claw hammer (noun)	carpenter's hammer (noun)
a hammer with a cleft at one end for pulling nails	a hammer with a cleft at one end for pulling nails