invoke vs refer

invoke and refer both are verbs.

Word	Noun	Adjective	Verb	Adverb
invoke	No	No	Yes	No
refer	No	No	Yes	No

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

Other hypernyms of invoke include advert, bring up, cite, mention, name.

invoke (verb)	refer (verb)
cite as an authority; resort to	think of, regard, or classify under a subsuming principle or with a general group or in relation to another
request earnestly (something from somebody); ask for aid or protection	have as a meaning
summon into action or bring into existence, often as if by magic	make reference to
	use a name to designate
	seek information from
	send or direct for treatment, information, or a decision
	be relevant to