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

九穀[kyuukoku] the nine grains
五穀[gokoku] the 5 grains (wheat, rice, beans, millet (awa and kibi))
穀食[kokushoku] cereal diet
穀倉[kokusou] granary
穀物[kokumotsu] grain

穀粉[kokufun] grain (rice) flour
穀粒[kokuryuu] kernel
穀類[kokurui] grains
脱穀[dakkoku] threshing (e.g. rice)
脱穀機[dakkokuki] threshing machine