usage vs utilization

usage and utilization both are nouns.

Word	Noun	Adjective	Verb	Adverb
usage	Yes	No	No	No
utilization	Yes	No	No	No

As nouns, usage and utilization are synonyms defined as:

Other synonyms of usage include employment, exercise, use, utilisation.

usage (noun)	utilization (noun)
the act of using	the act of using
accepted or habitual practice	the state of having been made use of
the customary manner in which a language (or a form of a language) is spoken or written