exonerate: \ig-ˈzä-nə-ˌrāt, eg-\

to relieve of a responsibility, obligation, or hardship.

The thief was exonerated,as he pleaded for mercy with the judge.

exasperate: \ig-ˈzas-pə-ˌrāt\

to excite the anger of

His behaviour was exasperating, so the teacher sent him out of the class.