grappling iron vs claw

grappling iron and claw both are nouns.

Word	Noun	Adjective	Verb	Adverb
grappling iron	Yes	No	No	No
claw	Yes	No	Yes	No

grappling iron (noun)	claw (noun)
a tool consisting of several hooks for grasping and holding; often thrown with a rope	sharp curved horny process on the toe of a bird or some mammals or reptiles
	a bird's foot
	a grasping structure on the limb of a crustacean or other arthropods
	a mechanical device that is curved or bent to suspend or hold or pull something

grappling iron (verb)	claw (verb)
	attack as if with claws
	scratch, scrape, pull, or dig with claws or nails
	clutch as if in panic
	move as if by clawing, seizing, or digging