congo eel vs amphiuma

congo eel and amphiuma both are nouns.

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

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

congo eel and amphiuma: 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 blind eel, congo snake.

congo eel (noun)	amphiuma (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