strawworm vs jointworm

strawworm and jointworm both are nouns.

Word	Noun	Adjective	Verb	Adverb
strawworm	Yes	No	No	No
jointworm	Yes	No	No	No

As nouns, strawworm and jointworm are synonyms defined as:

strawworm and jointworm: larva of chalcid flies injurious to the straw of wheat and other grains

strawworm (noun)	jointworm (noun)
larva of chalcid flies injurious to the straw of wheat and other grains	larva of chalcid flies injurious to the straw of wheat and other grains
larva of the caddis fly; constructs a case of silk covered with sand or plant debris