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

遺芳[ihou] memory or autograph of deceased
芳しく無い[kanbashikunai] poor
芳紀[houki] age of a young lady who is at the peak of her (sexual) attractiveness
芳香[houkou] perfume
芳志[houshi] (your) kindness

芳名[houmei] good name
芳名録[houmeiroku] visitors' book
余芳[yohou] lingering fragrance
来客芳名録[raikyakuhoumeiroku] guest book
芳ばしい[koubashii] fragrant