checkers vs checker

checkers and checker both are nouns.

Word	Noun	Adjective	Verb	Adverb
checkers	Yes	No	No	No
checker	Yes	No	Yes	No

checkers (noun)	checker (noun)
a checkerboard game for two players who each have 12 pieces; the object is to jump over and so capture the opponent's pieces	one of the flat round pieces used in playing the game of checkers
	one who checks the correctness of something
	an attendant who checks coats or baggage

checkers (verb)	checker (verb)
	variegate with different colors, shades, or patterns
	mark into squares or draw squares on; draw crossed lines on