saturniid vs moth

saturniid and moth both are nouns.

Word	Noun	Adjective	Verb	Adverb
saturniid	Yes	No	No	No
moth	Yes	No	No	No

As nouns, moth is a hypernym of saturniid; that is, moth is a word with a broader meaning than saturniid:

saturniid: large brightly colored and usually tropical moth; larvae spin silken cocoons
moth: typically crepuscular or nocturnal insect having a stout body and feathery or hairlike antennae

saturniid (noun)	moth (noun)
large brightly colored and usually tropical moth; larvae spin silken cocoons	typically crepuscular or nocturnal insect having a stout body and feathery or hairlike antennae