越冬[ettou] passing the winter
夏炉冬扇[karotousen] summer fires and winter fans
旧冬[kyuutou] former winters
厳冬[gentou] severe winter
今冬[kontou] this winter

三冬[santou] three winter months
春夏秋冬[shunkashuutou] spring, summer, autumn (fall) and winter
初冬[shotou] early winter
真冬[mafuyu] midwinter
暖冬[dantou] mild winter

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