seithr vs thaumaturgy

seithr and thaumaturgy both are nouns.

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

As nouns, thaumaturgy is a hypernym of seithr; that is, thaumaturgy is a word with a broader meaning than seithr:

seithr: an Old Norse term for a type of sorcery which was practiced in Norse society during the Late Scandinavian Iron Age.
thaumaturgy: any art that invokes supernatural powers

Other hypernyms of seithr include magic.

seithr (noun)	thaumaturgy (noun)
an Old Norse term for a type of sorcery which was practiced in Norse society during the Late Scandinavian Iron Age.	an illusory feat; considered magical by naive observers
	any art that invokes supernatural powers