potato moth vs splitworm

potato moth and splitworm both are nouns.

Word	Noun	Adjective	Verb	Adverb
potato moth	Yes	No	No	No
splitworm	Yes	No	No	No

As nouns, potato moth and splitworm are synonyms defined as:

potato moth and splitworm: greyish-brown moth whose larva is the potato tuberworm

Other synonyms of potato moth include Phthorimaea operculella, potato tuber moth.

potato moth (noun)	splitworm (noun)
greyish-brown moth whose larva is the potato tuberworm	greyish-brown moth whose larva is the potato tuberworm