tussah vs saturniid moth

tussah and saturniid moth both are nouns.

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

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

tussah: oriental moth that produces brownish silk
saturniid moth: large brightly colored and usually tropical moth; larvae spin silken cocoons

Other hypernyms of tussah include saturniid.

tussah (noun)	saturniid moth (noun)
oriental moth that produces brownish silk	large brightly colored and usually tropical moth; larvae spin silken cocoons