restrict vs cut back

restrict and cut back both are verbs.

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

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

Other synonyms of restrict include curb, curtail.

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

Other hypernyms of restrict include curb, curtail, restrict.

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