American spelling vs billiard parlor

American spelling and billiard parlor both are nouns.

Word	Noun	Adjective	Verb	Adverb
American spelling	Yes	No	No	No
billiard parlor	Yes	No	No	No

American spelling (noun)	billiard parlor (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	a room in which billiards is played