orbital cavity vs cavity

orbital cavity and cavity both are nouns.

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

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

Other hypernyms of orbital cavity include bodily cavity, cavum.

orbital cavity (noun)	cavity (noun)
the bony cavity in the skull containing the eyeball	(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