ensure vs control

ensure is not a noun while control is a noun.

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

As verbs, ensure and control are synonyms defined as:

ensure and control: be careful or certain to do something; make certain of something

Other synonyms of ensure include ascertain, assure, check, insure, see, see to it.

As verbs, control is a hyponym of ensure; that is, control is a word with a more specific, narrower meaning than ensure:

Other hyponyms of ensure include proof, proofread, double-check, cross-check, cinch, card, spot-check, cover.

ensure (noun)	control (noun)
	the activity of managing or exerting control over something
	(physiology) regulation or maintenance of a function or action or reflex etc
	a mechanism that controls the operation of a machine
	power to direct or determine
	discipline in personal and social activities
	great skillfulness and knowledge of some subject or activity
	a standard against which other conditions can be compared in a scientific experiment
	the economic policy of controlling or limiting or curbing prices or wages etc.
	a spiritual agency that is assumed to assist the medium during a seance
	a relation of constraint of one entity (thing or person or group) by another
	the state that exists when one person or group has power over another

ensure (verb)	control (verb)
be careful or certain to do something; make certain of something	have a firm understanding or knowledge of; be on top of
make certain of	be careful or certain to do something; make certain of something
	verify by using a duplicate register for comparison
	handle and cause to function
	maintain influence over (others or oneself) skillfully, usually to one's advantage
	exercise authoritative control or power over
	lessen the intensity of; temper; hold in restraint; hold or keep within limits
	check or regulate (a scientific experiment) by conducting a parallel experiment or comparing with another standard
	place under restrictions; limit access to by law