Sid Caesar vs Caesar

Sid Caesar and Caesar both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sid Caesar	Yes	No	No	No
Caesar	Yes	No	No	No

As nouns, Sid Caesar and Caesar are synonyms defined as:

Sid Caesar and Caesar: United States comedian who pioneered comedy television shows (born 1922)

Other synonyms of Sid Caesar include Sidney Caesar.

Sid Caesar (noun)	Caesar (noun)
United States comedian who pioneered comedy television shows (born 1922)	conqueror of Gaul and master of Italy (100-44 BC)
	United States comedian who pioneered comedy television shows (born 1922)