cut back vs immobilize

cut back and immobilize both are verbs.

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

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

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

cut back (verb)	immobilize (verb)
place restrictions on	cause to be unable to move
cut down on; make a reduction in	prohibit the conversion or use of (assets)
cultivate, tend, and cut back the growth of	convert (assets) into fixed capital
return in time	make defenseless
	to hold fast or prevent from moving
	hold as reserve or withdraw from circulation; of capital