dobson vs Corydalus cornutus

dobson and Corydalus cornutus both are nouns.

Word	Noun	Adjective	Verb	Adverb
dobson	Yes	No	No	No
Corydalus cornutus	Yes	No	No	No

As nouns, dobson and Corydalus cornutus are synonyms defined as:

dobson and Corydalus cornutus: large soft-bodied insect having long slender mandibles in the male; aquatic larvae often used as bait

Other synonyms of dobson include dobson fly, dobsonfly.

dobson (noun)	Corydalus cornutus (noun)
large soft-bodied insect having long slender mandibles in the male; aquatic larvae often used as bait	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