caddisworm vs strawworm

caddisworm and strawworm both are nouns.

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

As nouns, caddisworm and strawworm are synonyms defined as:

caddisworm and strawworm: larva of the caddis fly; constructs a case of silk covered with sand or plant debris

caddisworm (noun)	strawworm (noun)
larva of the caddis fly; constructs a case of silk covered with sand or plant debris	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