折磨 or 折騰?

来源: 于 2013-09-20 06:09:23 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Why is affix of applicant（申请人）-ant, not -er,-or?
and why is afflict 折磨 not 折騰?
My book will explain