伊勢参り[isemairi] Ise pilgrimage
伊勢大神宮[isedaijinguu] the Grand Shrines of Ise
伊勢大廟[isetaibyou] the Grand Shrines of Ise
伊勢丹[isetan] Isetan (department store)
威勢[isei] power

運勢[unsei] fortune
加勢[kasei] assistance
寡勢[kazei] small military force
火勢[kasei] force of flames
気勢[kisei] fervour

衰頽[suitai] decline
頽れる[sutareru] to go out of use
頽廃[taihai] degeneration
頽勢[taisei] one's declining fortunes
廃頽[haitai] decay

頽唐[taitou] decadence
頽齢[tairei] declining years
胡頽子[gumi] oleaster (any plant of genus Elaeagnus)
人倫頽廃[jinrintaihai] decline (decay, corruption) of ethical standards
風紀頽廃[fuukitaihai] decay (decline, corruption) of public morals