pulp cavity vs cavity

pulp cavity and cavity both are nouns.

Word	Noun	Adjective	Verb	Adverb
pulp cavity	Yes	No	No	No
cavity	Yes	No	No	No

As nouns, cavity is a hypernym of pulp cavity; that is, cavity is a word with a broader meaning than pulp cavity:

pulp cavity: the central cavity of a tooth containing the pulp (including the root canal)
cavity: (anatomy) a natural hollow or sinus within the body

Other hypernyms of pulp cavity include bodily cavity, cavum.

pulp cavity (noun)	cavity (noun)
the central cavity of a tooth containing the pulp (including the root canal)	(anatomy) a natural hollow or sinus within the body
	a sizeable hole (usually in the ground)
	soft decayed area in a tooth; progressive decay can lead to the death of a tooth
	space that is surrounded by something