vetchworm vs cotton bollworm

vetchworm and cotton bollworm both are nouns.

Word	Noun	Adjective	Verb	Adverb
vetchworm	Yes	No	No	No
cotton bollworm	Yes	No	No	No

As nouns, vetchworm and cotton bollworm are synonyms defined as:

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

Other synonyms of vetchworm include corn earworm, Heliothis zia, tobacco budworm, tomato fruitworm.

vetchworm (noun)	cotton bollworm (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