dobson vs hellgrammiate

dobson and hellgrammiate both are nouns.

Word	Noun	Adjective	Verb	Adverb
dobson	Yes	No	No	No
hellgrammiate	Yes	No	No	No

As nouns, dobson and hellgrammiate are synonyms defined as:

dobson and hellgrammiate: large brown aquatic larva of the dobsonfly; used as fishing bait

dobson (noun)	hellgrammiate (noun)
large soft-bodied insect having long slender mandibles in the male; aquatic larvae often used as bait	large brown aquatic larva of the dobsonfly; used as fishing bait
large brown aquatic larva of the dobsonfly; used as fishing bait