eudemon vs guardian angel

eudemon and guardian angel both are nouns.

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

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

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

Other hypernyms of eudemon include guardian spirit.

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