eye socket vs orbital cavity

eye socket and orbital cavity both are nouns.

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

As nouns, eye socket and orbital cavity are synonyms defined as:

eye socket and orbital cavity: the bony cavity in the skull containing the eyeball

Other synonyms of eye socket include cranial orbit, orbit.

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