Balder vs Baldr

Balder and Baldr both are nouns.

Word	Noun	Adjective	Verb	Adverb
Balder	Yes	No	No	No
Baldr	Yes	No	No	No

As nouns, Balder and Baldr are synonyms defined as:

Balder and Baldr: (Norse mythology) god of light and peace and noted for his beauty and sweet nature; son of Odin and Frigg and husband of Nanna; killed by Hoth

Balder (noun)	Baldr (noun)
(Norse mythology) god of light and peace and noted for his beauty and sweet nature; son of Odin and Frigg and husband of Nanna; killed by Hoth	(Norse mythology) god of light and peace and noted for his beauty and sweet nature; son of Odin and Frigg and husband of Nanna; killed by Hoth