nine-spot vs nine

nine-spot and nine both are nouns.

Word	Noun	Adjective	Verb	Adverb
nine-spot	Yes	No	No	No
nine	Yes	Yes	No	No

As nouns, nine-spot and nine are synonyms defined as:

nine-spot and nine: one of four playing cards in a deck with nine pips on the face

nine-spot (noun)	nine (noun)
one of four playing cards in a deck with nine pips on the face	one of four playing cards in a deck with nine pips on the face
	a team of professional baseball players who play and travel together
	the cardinal number that is the sum of eight and one

nine-spot (adjective)	nine (adjective)
	denoting a quantity consisting of one more than eight and one less than ten