cotton bollworm vs corn earworm

cotton bollworm and corn earworm both are nouns.

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

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

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

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

cotton bollworm (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