cut back vs restrict

cut back and restrict both are verbs.

Word	Noun	Adjective	Verb	Adverb
cut back	No	No	Yes	No
restrict	No	No	Yes	No

As verbs, cut back and restrict are synonyms defined as:

Other synonyms of cut back include curb, curtail.

As verbs, restrict is a hyponym of cut back; that is, restrict is a word with a more specific, narrower meaning than cut back:

Other hyponyms of cut back include abridge, immobilise, immobilize, ration, control.

cut back (verb)	restrict (verb)
place restrictions on	place limits on (extent or amount or access)
cut down on; make a reduction in	place restrictions on
cultivate, tend, and cut back the growth of	place under restrictions; limit access to by law
return in time	prevent (information) from being circulated or disclosed