Adonis vs demigod

Adonis and demigod both are nouns.

Word	Noun	Adjective	Verb	Adverb
Adonis	Yes	No	No	No
demigod	Yes	No	No	No

As nouns, demigod is a hypernym of Adonis; that is, demigod is a word with a broader meaning than Adonis:

Adonis: (Greek mythology) a handsome youth loved by both Aphrodite and Persephone
demigod: a person who is part mortal and part god

Other hypernyms of Adonis include daemon.

Adonis (noun)	demigod (noun)
(Greek mythology) a handsome youth loved by both Aphrodite and Persephone	a person who is part mortal and part god
annual or perennial herbs	a person with great powers and abilities