neurolinguistics vs linguistics

neurolinguistics and linguistics both are nouns.

Word	Noun	Adjective	Verb	Adverb
neurolinguistics	Yes	No	No	No
linguistics	Yes	No	No	No

As nouns, linguistics is a hypernym of neurolinguistics; that is, linguistics is a word with a broader meaning than neurolinguistics:

neurolinguistics: the branch of linguistics that studies the relation between language and the structure and function of the nervous system
linguistics: the scientific study of language

neurolinguistics (noun)	linguistics (noun)
the branch of linguistics that studies the relation between language and the structure and function of the nervous system	the scientific study of language
	the humanistic study of language and literature