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

片口鰯[katakuchiiwashi] Japanese anchovy (Engraulis japonica)
半片[hanpen] pounded fish cake
鴉片窟[ahenkutsu] opium den
一日片時[ichinichihenji] short time
一片[ippen] (a) slice

花片[kahen] petal
欠片[kakera] fragment
跡片付け[atokatazuke] tidying up
砕片[saihen] debris
細片[saihen] crumbling