eye socket vs cavum

eye socket and cavum both are nouns.

Word	Noun	Adjective	Verb	Adverb
eye socket	Yes	No	No	No
cavum	Yes	No	No	No

As nouns, cavum is a hypernym of eye socket; that is, cavum is a word with a broader meaning than eye socket:

Other hypernyms of eye socket include bodily cavity, cavity.

eye socket (noun)	cavum (noun)
the bony cavity in the skull containing the eyeball	(anatomy) a natural hollow or sinus within the body