regulate vs hold back

regulate and hold back both are verbs.

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

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

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

regulate (verb)	hold 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, as of a danger or an enemy; check the expansion or influence of
shape or influence; give direction to	hold back; keep from being perceived by others
bring into conformity with rules or principles or usage; impose regulations	secure and keep for possible future use or application
	wait before acting
	refrain from doing