Globicephala vs black whale

Globicephala and black whale both are nouns.

Word	Noun	Adjective	Verb	Adverb
Globicephala	Yes	No	No	No
black whale	Yes	No	No	No

Globicephala (noun)	black whale (noun)
pilot whales	large whale with a large cavity in the head containing spermaceti and oil; also a source of ambergris
	small dark-colored whale of the Atlantic coast of the United States; the largest male acts as pilot or leader for the school