seidr vs seidh

seidr and seidh both are nouns.

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

As nouns, seidr and seidh are synonyms defined as:

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

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

seidr (noun)	seidh (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.