craps vs snake eyes

craps and snake eyes both are nouns.

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

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

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

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