Vitharr vs Norse deity

Vitharr and Norse deity both are nouns.

Word	Noun	Adjective	Verb	Adverb
Vitharr	Yes	No	No	No
Norse deity	Yes	No	No	No

As nouns, Norse deity is a hypernym of Vitharr; that is, Norse deity is a word with a broader meaning than Vitharr:

Vitharr: (Norse mythology) one of the Aesir; son of Odin; avenges his parent by slaying Fenrir at Ragnarok
Norse deity: a deity worshipped by the ancient Norsemen

Vitharr (noun)	Norse deity (noun)
(Norse mythology) one of the Aesir; son of Odin; avenges his parent by slaying Fenrir at Ragnarok	a deity worshipped by the ancient Norsemen