leatherback vs Dermochelys coriacea

leatherback and Dermochelys coriacea both are nouns.

Word	Noun	Adjective	Verb	Adverb
leatherback	Yes	No	No	No
Dermochelys coriacea	Yes	No	No	No

As nouns, leatherback and Dermochelys coriacea are synonyms defined as:

leatherback and Dermochelys coriacea: wide-ranging marine turtle with flexible leathery carapace; largest living turtle

Other synonyms of leatherback include leatherback turtle, leathery turtle.

leatherback (noun)	Dermochelys coriacea (noun)
wide-ranging marine turtle with flexible leathery carapace; largest living turtle	wide-ranging marine turtle with flexible leathery carapace; largest living turtle