invoke vs ask for

invoke and ask for both are verbs.

Word	Noun	Adjective	Verb	Adverb
invoke	No	No	Yes	No
ask for	No	No	Yes	No

As verbs, ask for is a hypernym of invoke; that is, ask for is a word with a broader meaning than invoke:

invoke: request earnestly (something from somebody); ask for aid or protection
ask for: express the need or desire for

Other hypernyms of invoke include bespeak, call for, quest, request.

invoke (verb)	ask for (verb)
cite as an authority; resort to	express the need or desire for
request earnestly (something from somebody); ask for aid or protection	increase the likelihood of
summon into action or bring into existence, often as if by magic