奇巌[kigan] strangely shaped rocks
巌窟[gankutsu] cave
巌壁[ganpeki] wall of rock
巌々とした[gangantoshita] craggy
巌頭[gantou] top of a massive rock

巉巌[zangan] near-vertical cliff or peak
巌蔭[iwakage] shade of a rock
危巌[kigan] steep, towering rock
枯木寒巌[kobokukangan] withered trees and frozen rocks

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