tubular cavity vs cavity

tubular cavity and cavity both are nouns.

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

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

Other hypernyms of tubular cavity include bodily cavity, cavum.

tubular cavity (noun)	cavity (noun)
a cavity having the shape of a tube	(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