state capital vs Cheyenne

state capital and Cheyenne both are nouns.

Word	Noun	Adjective	Verb	Adverb
state capital	Yes	No	No	No
Cheyenne	Yes	No	No	No

state capital (noun)	Cheyenne (noun)
the capital city of a political subdivision of a country	the Algonquian language spoken by the Cheyenne
	the capital and largest city of Wyoming; located in the southeastern corner of the state
	a member of a North American Indian people living on the western plains (now living in Oklahoma and Montana)