spurge nettle vs Cnidoscolus urens

spurge nettle and Cnidoscolus urens both are nouns.

Word	Noun	Adjective	Verb	Adverb
spurge nettle	Yes	No	No	No
Cnidoscolus urens	Yes	No	No	No

As nouns, spurge nettle and Cnidoscolus urens are synonyms defined as:

spurge nettle and Cnidoscolus urens: a stinging herb of tropical America

Other synonyms of spurge nettle include devil nettle, Jatropha stimulosus, Jatropha urens, pica-pica, tread-softly.

spurge nettle (noun)	Cnidoscolus urens (noun)
a stinging herb of tropical America	a stinging herb of tropical America