Cryptoprocta ferox vs fossa

Cryptoprocta ferox and fossa both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cryptoprocta ferox	Yes	No	No	No
fossa	Yes	No	No	No

As nouns, Cryptoprocta ferox and fossa are synonyms defined as:

Cryptoprocta ferox and fossa: largest carnivore of Madagascar; intermediate in some respects between cats and civets

Other synonyms of Cryptoprocta ferox include fossa cat.

Cryptoprocta ferox (noun)	fossa (noun)
largest carnivore of Madagascar; intermediate in some respects between cats and civets	largest carnivore of Madagascar; intermediate in some respects between cats and civets
	a concavity in a surface (especially an anatomical depression)