potato tuber moth vs potato moth

potato tuber moth and potato moth both are nouns.

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

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

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

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

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