cavum vs bodily structure

cavum and bodily structure both are nouns.

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

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

cavum: (anatomy) a natural hollow or sinus within the body
bodily structure: a particular complex anatomical part of a living thing and its construction and arrangement

Other hypernyms of cavum include anatomical structure, body structure, complex body part, structure.

cavum (noun)	bodily structure (noun)
(anatomy) a natural hollow or sinus within the body	a particular complex anatomical part of a living thing and its construction and arrangement