fritter vs use up

fritter is a noun but use up is not a noun.

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

fritter (noun)	use up (noun)
small quantity of fried batter containing fruit or meat or vegetables

fritter (verb)	use up (verb)
spend frivolously and unwisely	use up (resources or materials)
	require (time or space)