cavum vs bodily cavity

cavum and bodily cavity both are nouns.

Word	Noun	Adjective	Verb	Adverb
cavum	Yes	No	No	No
bodily cavity	Yes	No	No	No

As nouns, cavum and bodily cavity are synonyms defined as:

cavum and bodily cavity: (anatomy) a natural hollow or sinus within the body

Other synonyms of cavum include cavity.

cavum (noun)	bodily cavity (noun)
(anatomy) a natural hollow or sinus within the body	(anatomy) a natural hollow or sinus within the body