怨恨[enkon] enmity
怨声[ensei] complaint
怨敵[onteki] sworn enemy
怨念[onnen] grudge
怨霊[onryou] revengeful ghost

旧怨[kyuuen] old grudge
怨み[urami] resentment
怨言[uramigoto] grudge
怨む[uramu] to resent
怨しい[urameshii] reproachful

威厳[igen] dignity
戒厳令[kaigenrei] martial law
寛厳[kangen] leniency and severity
厳つい[ikatsui] grim
厳か[ogosoka] austere

厳めしい[kibishii] severe
厳に[genni] strictly
厳科[genka] severe punishment
厳戒[genkai] strict guard
厳格[genkaku] severe

遺恨[ikon] grudge
怨恨[enkon] enmity
悔恨[kaikon] regret
逆恨み[sakaurami] being resented in return
旧恨[kyuukon] old grudge

恨み[urami] resentment
恨みっこ無し[uramikkonashi] with no hard feelings
恨みっこのないように[uramikkononaiyouni] making it even
恨み言[uramigoto] grudge
恨む[uramu] to resent