seidr vs seidhr

seidr and seidhr both are nouns.

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

As nouns, seidr and seidhr are synonyms defined as:

seidr and seidhr: 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, seidh, seith, seithr.

seidr (noun)	seidhr (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.