debase vs devalue

debase and devalue both are verbs.

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

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

debase (verb)	devalue (verb)
lower in value by increasing the base-metal content	lower the value or quality of
corrupt, debase, or make impure by adding a foreign or inferior substance; often by replacing valuable ingredients with inferior ones	lose in value
corrupt morally or by intemperance or sensuality	remove the value from; deprive of its value