Norse deity vs Aesir

Norse deity and Aesir both are nouns.

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

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

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

Norse deity (noun)	Aesir (noun)
a deity worshipped by the ancient Norsemen	(Norse mythology) the chief of gods living at Asgard