snow leopard vs Panthera uncia

snow leopard and Panthera uncia both are nouns.

Word	Noun	Adjective	Verb	Adverb
snow leopard	Yes	No	No	No
Panthera uncia	Yes	No	No	No

As nouns, snow leopard and Panthera uncia are synonyms defined as:

snow leopard and Panthera uncia: large feline of upland central Asia having long thick whitish fur

Other synonyms of snow leopard include ounce.

snow leopard (noun)	Panthera uncia (noun)
large feline of upland central Asia having long thick whitish fur	large feline of upland central Asia having long thick whitish fur