恩が有る[ongaaru] to be in one's debt
恩を仇で返す[onwoadadekaesu] to return evil for good
恩愛[onai] kindness and affection
恩給[onkyuu] pension
恩恵[onkei] grace

恩顧[onko] favour
恩師[onshi] one's honoured teacher
恩賜[onshi] Imperial gift
恩赦[onsha] amnesty

御知らせ[oshirase] notice
かも知れない[kamoshirenai] may
かも知れません[kamoshiremasen] may
愛知県[aichiken] Aichi prefecture (Chuubu area)
井の中の蛙大海を知らず[inonakanokawazutaikaiwoshirazu] parochial

一知半解[icchihankai] superficial knowledge
伺い知る[ukagaishiru] to perceive
窺知[kichi] perception
恩知らず[onshirazu] ingratitude
われ知らず[wareshirazu] involuntarily