eat up vs put away

eat up and put away both are verbs.

Word	Noun	Adjective	Verb	Adverb
eat up	No	No	Yes	No
put away	No	No	Yes	No

As verbs, put away is a hyponym of eat up; that is, put away is a word with a more specific, narrower meaning than eat up:

Other hyponyms of eat up include tuck away, tuck in, consume, demolish, devour, down, go through.

eat up (verb)	put away (verb)
finish eating all the food on one's plate or on the table	turn away from and put aside, perhaps temporarily
use up (resources or materials)	eat up; usually refers to a considerable quantity of food
enclose or envelop completely, as if by swallowing	kill gently, as with an injection
	place in a place where something cannot be removed or someone cannot escape
	stop using
	throw or cast away
	lock up or confine, in or as in a jail