Ingmar Bergman vs Bergman

Ingmar Bergman and Bergman both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ingmar Bergman	Yes	No	No	No
Bergman	Yes	No	No	No

As nouns, Ingmar Bergman and Bergman are synonyms defined as:

Ingmar Bergman and Bergman: Swedish film director who used heavy symbolism and explored the psychology of the characters (born 1918)

Ingmar Bergman (noun)	Bergman (noun)
Swedish film director who used heavy symbolism and explored the psychology of the characters (born 1918)	Swedish film director who used heavy symbolism and explored the psychology of the characters (born 1918)
	Swedish film actress (1915-1982)