vetchworm vs corn earworm

vetchworm and corn earworm both are nouns.

Word	Noun	Adjective	Verb	Adverb
vetchworm	Yes	No	No	No
corn earworm	Yes	No	No	No

As nouns, vetchworm and corn earworm are synonyms defined as:

vetchworm and corn earworm: larva of a noctuid moth; highly destructive to especially corn and cotton and tomato crops

Other synonyms of vetchworm include cotton bollworm, Heliothis zia, tobacco budworm, tomato fruitworm.

vetchworm (noun)	corn earworm (noun)
larva of a noctuid moth; highly destructive to especially corn and cotton and tomato crops	larva of a noctuid moth; highly destructive to especially corn and cotton and tomato crops