exploited vs used

exploited and used both are adjectives.

Word	Noun	Adjective	Verb	Adverb
exploited	No	Yes	No	No
used	No	Yes	No	No

As adjectives, exploited and used are synonyms defined as:

Other synonyms of exploited include ill-used, put-upon, victimised, victimized.

exploited (adjective)	used (adjective)
developed or used to greatest advantage	employed in accomplishing something
(of persons) taken advantage of	previously used or owned by another
	(of persons) taken advantage of