congo eel vs blind eel

congo eel and blind eel both are nouns.

Word	Noun	Adjective	Verb	Adverb
congo eel	Yes	No	No	No
blind eel	Yes	No	No	No

As nouns, congo eel and blind eel are synonyms defined as:

congo eel and blind eel: aquatic eel-shaped salamander having two pairs of very small feet; of still muddy waters in the southern United States

Other synonyms of congo eel include amphiuma, congo snake.

congo eel (noun)	blind eel (noun)
aquatic eel-shaped salamander having two pairs of very small feet; of still muddy waters in the southern United States	aquatic eel-shaped salamander having two pairs of very small feet; of still muddy waters in the southern United States