indulge vs use up

indulge and use up both are verbs.

Word	Noun	Adjective	Verb	Adverb
indulge	No	No	Yes	No
use up	No	No	Yes	No

As verbs, use up is a hypernym of indulge; that is, use up is a word with a broader meaning than indulge:

Other hypernyms of indulge include consume, deplete, eat, eat up, exhaust, expend, run through, use, wipe out.

indulge (verb)	use up (verb)
yield (to); give satisfaction to	use up (resources or materials)
enjoy to excess	require (time or space)
treat with excessive indulgence
give free rein to