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

芥箱[gomibako] garbage can
げた箱[getabako] shoe rack (in genkan)
化粧箱[keshoubako] vanity case
救急箱[kyuukyuubako] first-aid kit
仕事箱[shigotobako] workbox

私書箱[shishobako] post office box
慈善箱[jizenbako] charity box
主の箱[shunohako] Ark of the Lord
手箱[tebako] (small) box to keep valuables, etc.
重箱[juubako] multi-tiered food box

芥箱[gomibako] garbage can
芥子[karashi] mustard
塵芥[jinkai] rubbish
雛芥子[hinageshi] red poppy (Papaver rhoeas)
唐芥子[tougarashi] capsicum (Capsicum annuum, esp. the cultivated chili peppers)

洋芥子[yougarashi] mustard
芥子[keshi] poppy
小芥子[kokeshi] limbless wooden doll
芥溜め[gomitame] dump