blacksnake vs pilot blacksnake

blacksnake and pilot blacksnake both are nouns.

Word	Noun	Adjective	Verb	Adverb
blacksnake	Yes	No	No	No
pilot blacksnake	Yes	No	No	No

As nouns, blacksnake and pilot blacksnake are synonyms defined as:

blacksnake and pilot blacksnake: large harmless shiny black North American snake

Other synonyms of blacksnake include black rat snake, Elaphe obsoleta, mountain blacksnake.

blacksnake (noun)	pilot blacksnake (noun)
blackish racer of the eastern United States that grows to six feet	large harmless shiny black North American snake
large harmless shiny black North American snake