arctiid vs arctiid moth

arctiid and arctiid moth both are nouns.

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

As nouns, arctiid and arctiid moth are synonyms defined as:

arctiid and arctiid moth: stout-bodied broad-winged moth with conspicuously striped or spotted wings; larvae are hairy caterpillars

arctiid (noun)	arctiid moth (noun)
stout-bodied broad-winged moth with conspicuously striped or spotted wings; larvae are hairy caterpillars	stout-bodied broad-winged moth with conspicuously striped or spotted wings; larvae are hairy caterpillars