seid vs seidr

seid and seidr both are nouns.

Word	Noun	Adjective	Verb	Adverb
seid	Yes	No	No	No
seidr	Yes	No	No	No

As nouns, seid and seidr are synonyms defined as:

seid and seidr: an Old Norse term for a type of sorcery which was practiced in Norse society during the Late Scandinavian Iron Age.

Other synonyms of seid include seidh, seidhr, seith, seithr.

seid (noun)	seidr (noun)
an Old Norse term for a type of sorcery which was practiced in Norse society during the Late Scandinavian Iron Age.	an Old Norse term for a type of sorcery which was practiced in Norse society during the Late Scandinavian Iron Age.