Rhein vs Rhine

Rhein and Rhine both are nouns.

Word	Noun	Adjective	Verb	Adverb
Rhein	Yes	No	No	No
Rhine	Yes	No	No	No

As nouns, Rhein and Rhine are synonyms defined as:

Rhein and Rhine: a major European river carrying more traffic than any other river in the world; flows into the North Sea

Other synonyms of Rhein include Rhine River.

Rhein (noun)	Rhine (noun)
a major European river carrying more traffic than any other river in the world; flows into the North Sea	a major European river carrying more traffic than any other river in the world; flows into the North Sea
	United States parapsychologist (1895-1980)