Gunter Grass vs Gunter Wilhelm Grass

Gunter Grass and Gunter Wilhelm Grass both are nouns.

Word	Noun	Adjective	Verb	Adverb
Gunter Grass	Yes	No	No	No
Gunter Wilhelm Grass	Yes	No	No	No

As nouns, Gunter Grass and Gunter Wilhelm Grass are synonyms defined as:

Gunter Grass and Gunter Wilhelm Grass: German writer of novels and poetry and plays (born 1927)

Other synonyms of Gunter Grass include Grass.

Gunter Grass (noun)	Gunter Wilhelm Grass (noun)
German writer of novels and poetry and plays (born 1927)	German writer of novels and poetry and plays (born 1927)