cornu vs bodily structure

cornu and bodily structure both are nouns.

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

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

cornu: (anatomy) any structure that resembles a horn in shape
bodily structure: a particular complex anatomical part of a living thing and its construction and arrangement

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

cornu (noun)	bodily structure (noun)
(anatomy) any structure that resembles a horn in shape	a particular complex anatomical part of a living thing and its construction and arrangement