ossiculum vs bone

ossiculum and bone both are nouns.

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

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

Other hypernyms of ossiculum include os.

ossiculum (noun)	bone (noun)
a small bone; especially one in the middle ear	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

ossiculum (adjective)	bone (adjective)
	consisting of or made up of bone

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