Wernicke's area vs nerve center

Wernicke's area and nerve center both are nouns.

Word	Noun	Adjective	Verb	Adverb
Wernicke's area	Yes	No	No	No
nerve center	Yes	No	No	No

As nouns, nerve center is a hypernym of Wernicke's area; that is, nerve center is a word with a broader meaning than Wernicke's area:

Wernicke's area: the auditory word center; located in the posterior part of the superior temporal convolution in most people
nerve center: a cluster of nerve cells governing a specific bodily process

Other hypernyms of Wernicke's area include center, centre, nerve centre.

Wernicke's area (noun)	nerve center (noun)
the auditory word center; located in the posterior part of the superior temporal convolution in most people	a cluster of nerve cells governing a specific bodily process
	a center that provides information and control