Samia cynthia vs cynthia moth

Samia cynthia and cynthia moth both are nouns.

Word	Noun	Adjective	Verb	Adverb
Samia cynthia	Yes	No	No	No
cynthia moth	Yes	No	No	No

As nouns, Samia cynthia and cynthia moth are synonyms defined as:

Samia cynthia and cynthia moth: large Asiatic moth introduced into the United States; larvae feed on the ailanthus

Other synonyms of Samia cynthia include Samia walkeri.

Samia cynthia (noun)	cynthia moth (noun)
large Asiatic moth introduced into the United States; larvae feed on the ailanthus	large Asiatic moth introduced into the United States; larvae feed on the ailanthus
large green silkworm of the cynthia moth