metatarsal vs bone

metatarsal and bone both are nouns.

Word	Noun	Adjective	Verb	Adverb
metatarsal	Yes	Yes	No	No
bone	Yes	Yes	Yes	No

As nouns, bone is a hypernym of metatarsal; that is, bone is a word with a broader meaning than metatarsal:

Other hypernyms of metatarsal include os.

metatarsal (noun)	bone (noun)
any bone of the foot between the ankle and the toes	a shade of white the color of bleached bones
	rigid connective tissue that makes up the skeleton of vertebrates
	the porous calcified substance from which bones are made

metatarsal (adjective)	bone (adjective)
of or relating to the metatarsus	consisting of or made up of bone

metatarsal (verb)	bone (verb)
	remove the bones from
	study intensively, as before an exam