ensure vs verify

ensure and verify both are verbs.

Word	Noun	Adjective	Verb	Adverb
ensure	No	No	Yes	No
verify	No	No	Yes	No

As verbs, verify is a hypernym of ensure; that is, verify is a word with a broader meaning than ensure:

ensure (verb)	verify (verb)
be careful or certain to do something; make certain of something	confirm the truth of
make certain of	to declare or affirm solemnly and formally as true
	attach or append a legal verification to (a pleading or petition)
	check or regulate (a scientific experiment) by conducting a parallel experiment or comparing with another standard