expend vs eat up

expend and eat up both are verbs.

Word	Noun	Adjective	Verb	Adverb
expend	No	No	Yes	No
eat up	No	No	Yes	No

As verbs, expend and eat up are synonyms defined as:

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

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

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

expend (verb)	eat up (verb)
use up (resources or materials)	finish eating all the food on one's plate or on the table
pay out	use up (resources or materials)
	enclose or envelop completely, as if by swallowing