砕く【くだく】
to break (into pieces), to smash, to crush, to shatter, to grind (into powder), to pound, to shatter (someone's hopes, confidence, etc.), to crush, to frustrate, to simplify, to make easy to understand
砕ける【くだける】
to break (into pieces), to be broken, to be smashed, to collapse, to crumble, to decline, to cool (e.g. enthusiasm), to dampen (e.g. one's will to fight), to become less formal, to throw off reserve, to become affable, to become easy to understand (e.g. a story), to be worried
粉砕【ふんさい】
pulverization, pulverisation, reducing to pieces, crushing, smashing, demolishing
火砕流【かさいりゅう】
pyroclastic flow
砕石【さいせき】
crushed stone, macadam, crushing (rock)
破砕【はさい】
crushing (into pieces), smashing, cracking, breaking up
腰砕け【こしくだけ】
collapsing in the middle of a bout, breaking down (while in the middle of something), faltering halfway
