bony labyrinth vs structure

bony labyrinth and structure both are nouns.

Word	Noun	Adjective	Verb	Adverb
bony labyrinth	Yes	No	No	No
structure	Yes	No	Yes	No

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

bony labyrinth: cavity in the petrous part of the temporal bone that contains the membranous labyrinth
structure: a particular complex anatomical part of a living thing and its construction and arrangement

Other hypernyms of bony labyrinth include anatomical structure, bodily structure, body structure, complex body part.

bony labyrinth (noun)	structure (noun)
cavity in the petrous part of the temporal bone that contains the membranous labyrinth	a thing constructed; a complex entity constructed of many parts
	the manner of construction of something and the arrangement of its parts
	a particular complex anatomical part of a living thing and its construction and arrangement
	the complex composition of knowledge as elements and their combinations
	the people in a society considered as a system organized by a characteristic pattern of relationships

bony labyrinth (verb)	structure (verb)
	give a structure to