socket vs cavum

socket and cavum both are nouns.

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

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

Other hypernyms of socket include bodily cavity, cavity.

socket (noun)	cavum (noun)
a receptacle into which an electric device can be inserted	(anatomy) a natural hollow or sinus within the body
receptacle where something (a pipe or probe or end of a bone) is inserted
a bony hollow into which a structure fits