regulate vs keep back

regulate and keep back both are verbs.

Word	Noun	Adjective	Verb	Adverb
regulate	No	No	Yes	No
keep back	No	No	Yes	No

As verbs, keep back is a hypernym of regulate; that is, keep back is a word with a broader meaning than regulate:

Other hypernyms of regulate include hold back, keep, restrain.

regulate (verb)	keep back (verb)
fix or adjust the time, amount, degree, or rate of	prevent the action or expression of
restrain the emission of (sound, fluid, etc.)	hold back; refuse to hand over or share
shape or influence; give direction to	secure and keep for possible future use or application
bring into conformity with rules or principles or usage; impose regulations