Pseudemys rubriventris vs redbelly

Pseudemys rubriventris and redbelly both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pseudemys rubriventris	Yes	No	No	No
redbelly	Yes	No	No	No

As nouns, Pseudemys rubriventris and redbelly are synonyms defined as:

Pseudemys rubriventris and redbelly: freshwater turtle of Chesapeake Bay tributaries having red markings on the lower shell

Other synonyms of Pseudemys rubriventris include red-bellied terrapin, red-bellied turtle.

Pseudemys rubriventris (noun)	redbelly (noun)
freshwater turtle of Chesapeake Bay tributaries having red markings on the lower shell	freshwater turtle of Chesapeake Bay tributaries having red markings on the lower shell