diamondback rattlesnake vs Crotalus adamanteus

diamondback rattlesnake and Crotalus adamanteus both are nouns.

Word	Noun	Adjective	Verb	Adverb
diamondback rattlesnake	Yes	No	No	No
Crotalus adamanteus	Yes	No	No	No

As nouns, diamondback rattlesnake and Crotalus adamanteus are synonyms defined as:

diamondback rattlesnake and Crotalus adamanteus: large deadly rattlesnake with diamond-shaped markings

Other synonyms of diamondback rattlesnake include diamondback.

diamondback rattlesnake (noun)	Crotalus adamanteus (noun)
large deadly rattlesnake with diamond-shaped markings	large deadly rattlesnake with diamond-shaped markings