塵入[gomiire] trashcan
塵箱[gomibako] garbage can
黄塵[koujin] dust (in air)
灰塵[haijin] ashes and dust
含塵率[ganjinritsu] dust content

吸塵[kyuujin] dust vacuuming
後塵[koujin] second fiddle
市塵[shijin] city dust
塵芥[jinkai] rubbish

朦朧[mourou] dim
朦々[moumou] dense (e.g. fog, dust, etc.)
酔眼朦朧[suiganmourou] (with) one's eyes blurred from drinking

砂塵朦朦[sajinmoumou] big clouds of dust
意識朦朧[ishikimourou] being in a hazy state

サハラ砂漠[saharasabaku] Sahara Desert
黄砂[kousa] loess
角砂糖[kakuzatou] cube sugar
玉砂利[tamajari] gravel
黒砂糖[kurozatou] brown sugar

砂子[isago] sand
砂岩[sagan] sandstone
砂丘[sakyuu] sand dune
砂金[sakin] gold dust
砂時計[sunadokei] hourglass