auditory center vs nerve centre

auditory center and nerve centre both are nouns.

Word	Noun	Adjective	Verb	Adverb
auditory center	Yes	No	No	No
nerve centre	Yes	No	No	No

As nouns, nerve centre is a hypernym of auditory center; that is, nerve centre is a word with a broader meaning than auditory center:

auditory center: the part of the brain (in a fold of the cerebral cortex of the temporal lobe on both sides of the brain) that receives impulses from the ear by way of the auditory nerve
nerve centre: a cluster of nerve cells governing a specific bodily process

Other hypernyms of auditory center include center, centre, nerve center.

auditory center (noun)	nerve centre (noun)
the part of the brain (in a fold of the cerebral cortex of the temporal lobe on both sides of the brain) that receives impulses from the ear by way of the auditory nerve	a cluster of nerve cells governing a specific bodily process
	a center that provides information and control