cerebrum vs neural structure

cerebrum and neural structure both are nouns.

Word	Noun	Adjective	Verb	Adverb
cerebrum	Yes	No	No	No
neural structure	Yes	No	No	No

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

cerebrum: anterior portion of the brain consisting of two hemispheres; dominant part of the brain in humans
neural structure: a structure that is part of the nervous system

cerebrum (noun)	neural structure (noun)
anterior portion of the brain consisting of two hemispheres; dominant part of the brain in humans	a structure that is part of the nervous system