Euphorbia helioscopia vs devil's milk

Euphorbia helioscopia and devil's milk both are nouns.

Word	Noun	Adjective	Verb	Adverb
Euphorbia helioscopia	Yes	No	No	No
devil's milk	Yes	No	No	No

As nouns, Euphorbia helioscopia and devil's milk are synonyms defined as:

Euphorbia helioscopia and devil's milk: not unattractive European weed whose flowers turn toward the sun

Other synonyms of Euphorbia helioscopia include sun spurge, wartweed, wartwort.

Euphorbia helioscopia (noun)	devil's milk (noun)
not unattractive European weed whose flowers turn toward the sun	not unattractive European weed whose flowers turn toward the sun
	an Old World spurge introduced as a weed in the eastern United States