beggar-my-neighbor vs American spelling

beggar-my-neighbor and American spelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
beggar-my-neighbor	Yes	No	No	No
American spelling	Yes	No	No	No

beggar-my-neighbor (noun)	American spelling (noun)
a card game for two players in which the object is to win all of the other player's cards	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')