Anguilliformes vs eel

Anguilliformes and eel both are nouns.

Word	Noun	Adjective	Verb	Adverb
Anguilliformes	Yes	No	No	No
eel	Yes	No	No	No

Anguilliformes (noun)	eel (noun)
elongate fishes with pelvic fins and girdle absent or reduced	voracious snakelike marine or freshwater fishes with smooth slimy usually scaleless skin and having a continuous vertical fin but no ventral fins
	the fatty flesh of eel; an elongate fish found in fresh water in Europe and America; large eels are usually smoked or pickled