Aire vs River Aire

Aire and River Aire both are nouns.

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

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

Aire and River Aire: a river in northern England that flows southeast through West Yorkshire

Other synonyms of Aire include Aire River.

Aire (noun)	River Aire (noun)
a river in northern England that flows southeast through West Yorkshire	a river in northern England that flows southeast through West Yorkshire