seith vs seithr

seith and seithr both are nouns.

Word	Noun	Adjective	Verb	Adverb
seith	Yes	No	No	No
seithr	Yes	No	No	No

As nouns, seith and seithr are synonyms defined as:

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

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

seith (noun)	seithr (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.