Otto Wagner vs Wagner

Otto Wagner and Wagner both are nouns.

Word	Noun	Adjective	Verb	Adverb
Otto Wagner	Yes	No	No	No
Wagner	Yes	No	No	No

As nouns, Otto Wagner and Wagner are synonyms defined as:

Otto Wagner and Wagner: Austrian architect and pioneer of modern architecture (1841-1918)

Otto Wagner (noun)	Wagner (noun)
Austrian architect and pioneer of modern architecture (1841-1918)	the music of Wagner
	German composer of operas and inventor of the musical drama in which drama and spectacle and music are fused (1813-1883)
	Austrian architect and pioneer of modern architecture (1841-1918)