eudemon vs guardian spirit

eudemon and guardian spirit both are nouns.

Word	Noun	Adjective	Verb	Adverb
eudemon	Yes	No	No	No
guardian spirit	Yes	No	No	No

As nouns, guardian spirit is a hypernym of eudemon; that is, guardian spirit is a word with a broader meaning than eudemon:

eudemon: a benevolent spirit
guardian spirit: an angel believed to have special affection for a particular individual

Other hypernyms of eudemon include guardian angel.

eudemon (noun)	guardian spirit (noun)
a benevolent spirit	an angel believed to have special affection for a particular individual