御坊ちゃん[obocchan] son (of others)
いたずら坊主[itazurabouzu] mischievous boy
御坊[onbou] cemetery guard
丸坊主[marubouzu] close-cropped head
黒ん坊[kuronbou] dark-skinned person

桜ん坊[sakuranbo] (edible) cherry
三日坊主[mikkabouzu] one who can stick to nothing
次男坊[jinanbou] second son
照々坊主[teruterubouzu] paper doll to which children pray for fine weather (usu. white, and shaped like a Buddhist priest)
食いしん坊[kuishinbou] glutton

悔い[kui] regret
悔いる[kuiru] to regret
悔改める[kuiaratameru] to repent
悔しさ[kuyashisa] chagrin
悔泣[kuyashinaki] crying from vexation

悔み状[kuyamijou] letter of condolence
悔む[kuyamu] to mourn
悔悟[kaigo] remorse
悔恨[kaikon] regret
後悔[koukai] regret