use up vs be

use up and be both are verbs.

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

As verbs, be is a hyponym of use up; that is, be is a word with a more specific, narrower meaning than use up:

use up (verb)	be (verb)
use up (resources or materials)	spend or use time
require (time or space)	work in a specific place, with a specific subject, or in a specific function
	have an existence, be extant
	have life, be alive
	form or compose
	have the quality of being; (copula, used with an adjective or a predicate noun)
	occupy a certain position or area; be somewhere
	be identical to; be someone or something
	be identical or equivalent to
	represent, as of a character on stage
	be priced at
	to remain unmolested, undisturbed, or uninterrupted -- used only in infinitive form