tire vs eat up

tire is a noun but eat up is not a noun.

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

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

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

tire (noun)	eat up (noun)
hoop that covers a wheel

tire (verb)	eat up (verb)
lose interest or become bored with something or somebody	finish eating all the food on one's plate or on the table
exhaust or get tired through overuse or great strain or stress	use up (resources or materials)
cause to be bored	enclose or envelop completely, as if by swallowing
deplete