amphiuma vs congo snake

amphiuma and congo snake both are nouns.

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

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

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

Other synonyms of amphiuma include blind eel, congo eel.

amphiuma (noun)	congo snake (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