Wilhelm Karl Grimm vs Grimm

Wilhelm Karl Grimm and Grimm both are nouns.

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

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

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

Other synonyms of Wilhelm Karl Grimm include Wilhelm Grimm.

Wilhelm Karl 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)