Loire vs Loire River

Loire and Loire River both are nouns.

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

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

Loire and Loire River: the longest French river; rises in the Massif Central and flows north and west to the Atlantic Ocean

Loire (noun)	Loire River (noun)
the longest French river; rises in the Massif Central and flows north and west to the Atlantic Ocean	the longest French river; rises in the Massif Central and flows north and west to the Atlantic Ocean