argentiferous vs metal

argentiferous is not a noun while metal is a noun.

Word	Noun	Adjective	Verb	Adverb
argentiferous	No	Yes	No	No
metal	Yes	Yes	Yes	No

argentiferous (noun)	metal (noun)
	any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
	a mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten

argentiferous (adjective)	metal (adjective)
containing or yielding silver	containing or made of or resembling or characteristic of a metal

argentiferous (verb)	metal (verb)
	cover with metal