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

紛い[magai] imitation
言紛らす[iimagirasu] to equivocate
諸説紛紛[shosetsufunpun] divergent opinions abound
人工受紛[jinkoujufun] artificial fertilization (of plants)
地域紛争[chiikifunsou] regional conflict

半ば紛れで[nakabamagurede] half due to luck
紛骨砕身[funkotsusaishin] making one's best exertions
紛らす[magirasu] to divert
紛らわしい[magirawashii] confusing
紛らわす[magirawasu] to divert