snake eyes vs craps

snake eyes and craps both are nouns.

Word	Noun	Adjective	Verb	Adverb
snake eyes	Yes	No	No	No
craps	Yes	No	No	No

As nouns, snake eyes and craps are synonyms defined as:

snake eyes and craps: expressions used when two dice are thrown and both come up showing one spot

snake eyes (noun)	craps (noun)
expressions used when two dice are thrown and both come up showing one spot	a gambling game played with two dice; a first throw of 7 or 11 wins and a first throw of 2, 3, or 12 loses and a first throw of any other number must be repeated to win before a 7 is thrown, which loses the bet and the dice
	expressions used when two dice are thrown and both come up showing one spot