bombycid vs bombycid moth

bombycid and bombycid moth both are nouns.

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

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

bombycid and bombycid moth: moderate-sized Asiatic moth whose larvae feed on mulberry leaves and produce silk

Other synonyms of bombycid include silkworm moth.

bombycid (noun)	bombycid moth (noun)
moderate-sized Asiatic moth whose larvae feed on mulberry leaves and produce silk	moderate-sized Asiatic moth whose larvae feed on mulberry leaves and produce silk