Cerastes cornutus vs sand viper

Cerastes cornutus and sand viper both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cerastes cornutus	Yes	No	No	No
sand viper	Yes	No	No	No

As nouns, Cerastes cornutus and sand viper are synonyms defined as:

Cerastes cornutus and sand viper: highly venomous viper of northern Africa and southwestern Asia having a horny spine above each eye

Other synonyms of Cerastes cornutus include cerastes, horned asp, horned viper.

Cerastes cornutus (noun)	sand viper (noun)
highly venomous viper of northern Africa and southwestern Asia having a horny spine above each eye	highly venomous viper of northern Africa and southwestern Asia having a horny spine above each eye
	harmless North American snake with upturned nose; may spread its head and neck or play dead when disturbed