van Gogh vs Gogh

van Gogh and Gogh both are nouns.

Word	Noun	Adjective	Verb	Adverb
van Gogh	Yes	No	No	No
Gogh	Yes	No	No	No

As nouns, van Gogh and Gogh are synonyms defined as:

van Gogh and Gogh: Dutch Post-impressionist painter noted for his use of color (1853-1890)

Other synonyms of van Gogh include Vincent van Gogh.

van Gogh (noun)	Gogh (noun)
Dutch Post-impressionist painter noted for his use of color (1853-1890)	Dutch Post-impressionist painter noted for his use of color (1853-1890)