neuroscience vs neurobiology

neuroscience and neurobiology both are nouns.

Word	Noun	Adjective	Verb	Adverb
neuroscience	Yes	No	No	No
neurobiology	Yes	No	No	No

As nouns, neurobiology is a hypernym of neuroscience; that is, neurobiology is a word with a broader meaning than neuroscience:

neuroscience: the scientific study of the nervous system
neurobiology: the branch of biology that deals with the anatomy and physiology and pathology of the nervous system

neuroscience (noun)	neurobiology (noun)
the scientific study of the nervous system	the branch of biology that deals with the anatomy and physiology and pathology of the nervous system