gamekeeper vs game warden

gamekeeper and game warden both are nouns.

Word	Noun	Adjective	Verb	Adverb
gamekeeper	Yes	No	No	No
game warden	Yes	No	No	No

As nouns, gamekeeper and game warden are synonyms defined as:

gamekeeper and game warden: a person employed to take care of game and wildlife

gamekeeper (noun)	game warden (noun)
a person employed to take care of game and wildlife	a person employed to take care of game and wildlife