seidhr vs seithr

seidhr and seithr both are nouns.

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

As nouns, seidhr and seithr are synonyms defined as:

seidhr 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 seidhr include seid, seidh, seidr, seith.

seidhr (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.