passageway vs bodily structure

passageway and bodily structure both are nouns.

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

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

passageway: a path or channel or duct through or along which something may pass
bodily structure: a particular complex anatomical part of a living thing and its construction and arrangement

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

passageway (noun)	bodily structure (noun)
a passage between rooms or between buildings	a particular complex anatomical part of a living thing and its construction and arrangement
a path or channel or duct through or along which something may pass