jawbone vs jaw

jawbone and jaw both are nouns.

Word	Noun	Adjective	Verb	Adverb
jawbone	Yes	No	Yes	No
jaw	Yes	No	Yes	No

As nouns, jaw is a hypernym of jawbone; that is, jaw is a word with a broader meaning than jawbone:

jawbone: the jaw in vertebrates that is hinged to open the mouth
jaw: the part of the skull of a vertebrate that frames the mouth and holds the teeth

Other hypernyms of jawbone include articulator.

As verbs, jaw is a hypernym of jawbone; that is, jaw is a word with a broader meaning than jawbone:

jawbone (noun)	jaw (noun)
the jaw in vertebrates that is hinged to open the mouth	holding device consisting of one or both of the opposing parts of a tool that close to hold an object
	the part of the skull of a vertebrate that frames the mouth and holds the teeth
	the bones of the skull that frame the mouth and serve to open it; the bones that hold the teeth

jawbone (verb)	jaw (verb)
talk idly or casually and in a friendly way	talk socially without exchanging too much information
	censure severely or angrily
	talk incessantly and tiresomely
	chew (food); to bite and grind with the teeth