pilot whale vs Globicephala melaena

pilot whale and Globicephala melaena both are nouns.

Word	Noun	Adjective	Verb	Adverb
pilot whale	Yes	No	No	No
Globicephala melaena	Yes	No	No	No

As nouns, pilot whale and Globicephala melaena are synonyms defined as:

pilot whale and Globicephala melaena: small dark-colored whale of the Atlantic coast of the United States; the largest male acts as pilot or leader for the school

Other synonyms of pilot whale include black whale, blackfish, common blackfish.

pilot whale (noun)	Globicephala melaena (noun)
small dark-colored whale of the Atlantic coast of the United States; the largest male acts as pilot or leader for the school	small dark-colored whale of the Atlantic coast of the United States; the largest male acts as pilot or leader for the school