握り潰し[nigiritsubushi] shelving
胃潰瘍[ikaiyou] stomach ulcer
圧潰す[oshitsubusu] to squash
暇潰し[himatsubushi] waste of time
潰滅[kaimetsu] destruction

潰乱[kairan] corruption (of order, customs, etc.)
丸潰れ[marutsubure] complete ruin
顔を潰す[kaowotsubusu] to make somebody lose face
泣潰す[nakitsubusu] to cry one's eyes out
乗り潰す[noritsubusu] to ride (a horse) to death