corn earworm vs cotton bollworm

corn earworm and cotton bollworm both are nouns.

Word	Noun	Adjective	Verb	Adverb
corn earworm	Yes	No	No	No
cotton bollworm	Yes	No	No	No

As nouns, corn earworm and cotton bollworm are synonyms defined as:

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

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

corn earworm (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