NM vs Canadian River

NM and Canadian River both are nouns.

Word	Noun	Adjective	Verb	Adverb
NM	Yes	No	No	No
Canadian River	Yes	No	No	No

NM (noun)	Canadian River (noun)
a state in southwestern United States on the Mexican border	a river rising in northeastern New Mexico and flowing eastward across the Texas panhandle to become a tributary of the Arkansas River in Oklahoma