折磨 or 折騰?

來源: 走馬讀人 於 2013-09-20 06:09:23 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (132 bytes)

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

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