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

毀す[kowasu] to break
毀れる[kowareru] to be broken
打ち毀す[buchikowasu] to destroy
破毀[haki] tearing up and discarding (e.g. documents)
毀損[kison] damage

毀誉[kiyo] praise
毀誉褒貶[kiyohouhen] praise and censure
毀棄[kiki] destroying
毀傷[kishou] injury
名誉毀損[meiyokison] libel