ground substance vs bone

ground substance and bone both are nouns.

Word	Noun	Adjective	Verb	Adverb
ground substance	Yes	No	No	No
bone	Yes	Yes	Yes	No

ground substance (noun)	bone (noun)
the body substance in which tissue cells are embedded	a shade of white the color of bleached bones
the clear nongranular portion of the cytoplasm of a cell	rigid connective tissue that makes up the skeleton of vertebrates
	the porous calcified substance from which bones are made

ground substance (adjective)	bone (adjective)
	consisting of or made up of bone

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