skullcap vs bone

skullcap and bone both are nouns.

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

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

Other hypernyms of skullcap include os.

skullcap (noun)	bone (noun)
rounded brimless cap fitting the crown of the head	a shade of white the color of bleached bones
the dome of the skull	rigid connective tissue that makes up the skeleton of vertebrates
a herbaceous plant of the genus Scutellaria which has a calyx that, when inverted, resembles a helmet with its visor raised	the porous calcified substance from which bones are made

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

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