Pee Dee vs Pee Dee River

Pee Dee and Pee Dee River both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pee Dee	Yes	No	No	No
Pee Dee River	Yes	No	No	No

As nouns, Pee Dee and Pee Dee River are synonyms defined as:

Pee Dee and Pee Dee River: a river that flows through central North Carolina and northeastern South Carolina to the Atlantic Ocean

Pee Dee (noun)	Pee Dee River (noun)
a river that flows through central North Carolina and northeastern South Carolina to the Atlantic Ocean	a river that flows through central North Carolina and northeastern South Carolina to the Atlantic Ocean