dice vs four-spot

dice and four-spot both are nouns.

Word	Noun	Adjective	Verb	Adverb
dice	Yes	No	Yes	No
four-spot	Yes	No	No	No

As nouns, four-spot is a hyponym of dice; that is, four-spot is a word with a more specific, narrower meaning than dice:

dice: a small cube with 1 to 6 spots on the six faces; used in gambling to generate random numbers
four-spot: a playing card or domino or die whose upward face shows four pips

Other hyponyms of dice include five-spot, five, four, one-spot, six-spot, six, D4.

dice (noun)	four-spot (noun)
a small cube with 1 to 6 spots on the six faces; used in gambling to generate random numbers	a playing card or domino or die whose upward face shows four pips

dice (verb)	four-spot (verb)
play dice
cut into cubes