パン屑[pankuzu] (bread) crumb
鋸屑[nokokuzu] sawdust
屑拾い[kuzuhiroi] ragpicking
屑かご[kuzukago] waste basket
裁ち屑[tachikuzu] cuttings

削り屑[kezurikuzu] shavings
紙屑同然[kamikuzudouzen] as good as waste paper
星屑[hoshikuzu] stardust
切り屑[kirikuzu] scraps

一枚岩[ichimaiiwa] monolith
火山岩[kazangan] volcanic rock
火成岩[kaseigan] igneous rock
かこう岩[kakougan] granite
岩塩[ganen] halite

岩屋[iwaya] cavern
岩角[iwakado] edge or corner of a stone
岩間[iwama] among rocks
岩山[iwayama] rocky mountain

あっ砕[assai] crushing
圧砕機[assaiki] grinder
噛砕く[kamikudaku] to crunch
玉砕[gyokusai] honourable defeat
撃砕[gekisai] pulverising

砕く[kudaku] to break
砕け[kudake] familiar (informal) (speech style)
砕ける[kudakeru] to break (into pieces)
砕け散る[kudakechiru] to be smashed up
砕石[saiseki] broken stone