squander vs eat up

squander and eat up both are verbs.

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

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

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

squander (verb)	eat up (verb)
spend extravagantly	finish eating all the food on one's plate or on the table
spend thoughtlessly; throw away	use up (resources or materials)
	enclose or envelop completely, as if by swallowing