cupric acetate vs verdigris

cupric acetate and verdigris both are nouns.

Word	Noun	Adjective	Verb	Adverb
cupric acetate	Yes	No	No	No
verdigris	Yes	No	Yes	No

As nouns, cupric acetate and verdigris are synonyms defined as:

cupric acetate and verdigris: a blue or green powder used as a paint pigment

cupric acetate (noun)	verdigris (noun)
a blue or green powder used as a paint pigment	a green patina that forms on copper or brass or bronze that has been exposed to the air or water for long periods of time
	a blue or green powder used as a paint pigment

cupric acetate (verb)	verdigris (verb)
	color verdigris