cavum vs anatomical structure

cavum and anatomical structure both are nouns.

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

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

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

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

cavum (noun)	anatomical 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