Lorraine vs Lothringen

Lorraine and Lothringen both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lorraine	Yes	No	No	No
Lothringen	Yes	No	No	No

As nouns, Lorraine and Lothringen are synonyms defined as:

Lorraine and Lothringen: an eastern French region rich in iron-ore deposits

Lorraine (noun)	Lothringen (noun)
an eastern French region rich in iron-ore deposits	an eastern French region rich in iron-ore deposits