lamper eel vs lamprey eel

lamper eel and lamprey eel both are nouns.

Word	Noun	Adjective	Verb	Adverb
lamper eel	Yes	No	No	No
lamprey eel	Yes	No	No	No

As nouns, lamper eel and lamprey eel are synonyms defined as:

lamper eel and lamprey eel: primitive eellike freshwater or anadromous cyclostome having round sucking mouth with a rasping tongue

Other synonyms of lamper eel include lamprey.

lamper eel (noun)	lamprey eel (noun)
primitive eellike freshwater or anadromous cyclostome having round sucking mouth with a rasping tongue	primitive eellike freshwater or anadromous cyclostome having round sucking mouth with a rasping tongue