Michel Ney vs Duc d'Elchingen

Michel Ney and Duc d'Elchingen both are nouns.

Word	Noun	Adjective	Verb	Adverb
Michel Ney	Yes	No	No	No
Duc d'Elchingen	Yes	No	No	No

As nouns, Michel Ney and Duc d'Elchingen are synonyms defined as:

Michel Ney and Duc d'Elchingen: French marshal in the Napoleonic Wars (1769-1815)

Other synonyms of Michel Ney include Ney.

Michel Ney (noun)	Duc d'Elchingen (noun)
French marshal in the Napoleonic Wars (1769-1815)	French marshal in the Napoleonic Wars (1769-1815)