cut back vs bring down

cut back and bring down both are verbs.

Word	Noun	Adjective	Verb	Adverb
cut back	No	No	Yes	No
bring down	No	No	Yes	No

As verbs, cut back and bring down are synonyms defined as:

Other synonyms of cut back include cut, cut down, reduce, trim, trim back, trim down.

cut back (verb)	bring down (verb)
place restrictions on	cut down on; make a reduction in
cut down on; make a reduction in	impose something unpleasant
cultivate, tend, and cut back the growth of	cause to be enthusiastic
return in time	cause to come to the ground
	move something or somebody to a lower position
	cause the downfall of; of rulers