壊す[kowasu] to break
壊れる[kowareru] to be broken
壊れ物[kowaremono] fragile article
壊血病[kaiketsubyou] scurvy
壊滅[kaimetsu] destruction

壊乱[kairan] corruption (of order, customs, etc.)
壊疽[eso] gangrene
偶像破壊[guuzouhakai] iconoclasm
決壊[kekkai] break (rip) down
原子破壊機[genshihakaiki] cyclotron

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