cut back vs detract

cut back and detract both are verbs.

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

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

cut back (verb)	detract (verb)
place restrictions on	take away a part from; diminish
cut down on; make a reduction in
cultivate, tend, and cut back the growth of
return in time