consumption vs using up

consumption and using up both are nouns.

Word	Noun	Adjective	Verb	Adverb
consumption	Yes	No	No	No
using up	Yes	No	No	No

As nouns, consumption and using up are synonyms defined as:

Other synonyms of consumption include expenditure.

consumption (noun)	using up (noun)
the act of consuming something	the act of consuming something
the process of taking food into the body through the mouth (as by eating)
(economics) the utilization of economic goods to satisfy needs or in manufacturing
involving the lungs with progressive wasting of the body