Erik von Willebrand vs Willebrand

Erik von Willebrand and Willebrand both are nouns.

Word	Noun	Adjective	Verb	Adverb
Erik von Willebrand	Yes	No	No	No
Willebrand	Yes	No	No	No

As nouns, Erik von Willebrand and Willebrand are synonyms defined as:

Erik von Willebrand and Willebrand: Finnish physician who first described vascular hemophilia (1870-1949)

Other synonyms of Erik von Willebrand include E. A. von Willebrand, Erik Adolf von Willebrand, von Willebrand.

Erik von Willebrand (noun)	Willebrand (noun)
Finnish physician who first described vascular hemophilia (1870-1949)	Finnish physician who first described vascular hemophilia (1870-1949)