Red River vs Pelican State

Red River and Pelican State both are nouns.

Word	Noun	Adjective	Verb	Adverb
Red River	Yes	No	No	No
Pelican State	Yes	No	No	No

Red River (noun)	Pelican State (noun)
a tributary of the Mississippi River that flows eastward from Texas along the southern boundary of Oklahoma and through Louisiana	a state in southern United States on the Gulf of Mexico; one of the Confederate states during the American Civil War