centrum vs bone

centrum and bone both are nouns.

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

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

Other hypernyms of centrum include os.

centrum (noun)	bone (noun)
the main body of a vertebra	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

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

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