Birgit Nilsson vs Brigit Nilsson

Birgit Nilsson and Brigit Nilsson both are nouns.

Word	Noun	Adjective	Verb	Adverb
Birgit Nilsson	Yes	No	No	No
Brigit Nilsson	Yes	No	No	No

As nouns, Birgit Nilsson and Brigit Nilsson are synonyms defined as:

Birgit Nilsson and Brigit Nilsson: Swedish operatic soprano who played Wagnerian roles (born in 1918)

Other synonyms of Birgit Nilsson include Marta Brigit Nilsson, Nilsson.

Birgit Nilsson (noun)	Brigit Nilsson (noun)
Swedish operatic soprano who played Wagnerian roles (born in 1918)	Swedish operatic soprano who played Wagnerian roles (born in 1918)