荷崩れ[nikuzure] collapsing load (as on lorries, trucks)
泣崩れる[nakikuzureru] to break down crying
雪崩れる[nadareru] to slope
なし崩し[nashikuzushi] paying back in installments (instalments)
山崩れ[yamakuzure] landslide

持崩す[mochikuzusu] to ruin oneself
人雪崩[hitonadare] surging crowd
切り崩す[kirikuzusu] to level (earth)
雪崩[nadare] avalanche
土砂崩れ[doshakuzure] landslide

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