Tyne River vs Tyne

Tyne River and Tyne both are nouns.

Word	Noun	Adjective	Verb	Adverb
Tyne River	Yes	No	No	No
Tyne	Yes	No	No	No

As nouns, Tyne River and Tyne are synonyms defined as:

Tyne River and Tyne: a river in northern England that flows east to the North Sea

Other synonyms of Tyne River include River Tyne.

Tyne River (noun)	Tyne (noun)
a river in northern England that flows east to the North Sea	a river in northern England that flows east to the North Sea