Norse deity vs Ull

Norse deity and Ull both are nouns.

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

As nouns, Ull is a hyponym of Norse deity; that is, Ull is a word with a more specific, narrower meaning than Norse deity:

Norse deity: a deity worshipped by the ancient Norsemen
Ull: (Norse mythology) one of the Aesir known for his beauty and skill with bow and skis; son of Sif and stepson of Thor

Other hyponyms of Norse deity include Aesir, Vanir, Nanna, Norn, weird sister, Sigyn, Ullr, Vali, Vidar, Vithar, Vitharr.

Norse deity (noun)	Ull (noun)
a deity worshipped by the ancient Norsemen	(Norse mythology) one of the Aesir known for his beauty and skill with bow and skis; son of Sif and stepson of Thor