tomato fruitworm vs bollworm

tomato fruitworm and bollworm both are nouns.

Word	Noun	Adjective	Verb	Adverb
tomato fruitworm	Yes	No	No	No
bollworm	Yes	No	No	No

As nouns, bollworm is a hypernym of tomato fruitworm; that is, bollworm is a word with a broader meaning than tomato fruitworm:

tomato fruitworm: larva of a noctuid moth; highly destructive to especially corn and cotton and tomato crops
bollworm: any of various moth caterpillars that destroy cotton bolls

tomato fruitworm (noun)	bollworm (noun)
larva of a noctuid moth; highly destructive to especially corn and cotton and tomato crops	any of various moth caterpillars that destroy cotton bolls