Wilhelm Grimm vs Grimm

Wilhelm Grimm and Grimm both are nouns.

Word	Noun	Adjective	Verb	Adverb
Wilhelm Grimm	Yes	No	No	No
Grimm	Yes	No	No	No

As nouns, Wilhelm Grimm and Grimm are synonyms defined as:

Wilhelm Grimm and Grimm: the younger of the two Grimm brothers remembered best for their fairy stories (1786-1859)

Other synonyms of Wilhelm Grimm include Wilhelm Karl Grimm.

Wilhelm Grimm (noun)	Grimm (noun)
the younger of the two Grimm brothers remembered best for their fairy stories (1786-1859)	the older of the two Grimm brothers remembered best for their fairy stories; also author of Grimm's law describing consonant changes in Germanic languages (1785-1863)
	the younger of the two Grimm brothers remembered best for their fairy stories (1786-1859)