alloy vs devalue

alloy is a noun but devalue is not a noun.

Word	Noun	Adjective	Verb	Adverb
alloy	Yes	No	Yes	No
devalue	No	No	Yes	No

As verbs, devalue is a hypernym of alloy; that is, devalue is a word with a broader meaning than alloy:

alloy (noun)	devalue (noun)
the state of impairing the quality or reducing the value of something
a mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten

alloy (verb)	devalue (verb)
lower in value by increasing the base-metal content	lower the value or quality of
make an alloy of	lose in value
	remove the value from; deprive of its value