penny ante poker vs poker

penny ante poker and poker both are nouns.

Word	Noun	Adjective	Verb	Adverb
penny ante poker	Yes	No	No	No
poker	Yes	No	No	No

As nouns, poker is a hypernym of penny ante poker; that is, poker is a word with a broader meaning than penny ante poker:

penny ante poker: poker played for small stakes
poker: any of various card games in which players bet that they hold the highest-ranking hand

Other hypernyms of penny ante poker include poker game.

penny ante poker (noun)	poker (noun)
poker played for small stakes	any of various card games in which players bet that they hold the highest-ranking hand
	fire iron consisting of a metal rod with a handle; used to stir a fire