fishbone vs bone

fishbone and bone both are nouns.

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

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

Other hypernyms of fishbone include os.

fishbone (noun)	bone (noun)
a bone of a fish	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

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

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