滝壺[takitsubo] basin under a waterfall
便壺[bentsubo] night-soil vault
火消壺[hikeshitsubo] charcoal extinguisher
骨壺[kotsutsubo] funerary urn
金壺眼[kanatsubomanako] goggle-eyes

茶壺[chatsubo] tea urn
消し壺[keshitsubo] (jar used as a) charcoal extinguisher
蛸壺[takotsubo] octopus pot
痰壺[tantsubo] spittoon

雨子[amago] land-locked variety of red-spotted masu trout (Oncorhynchus masou ishikawae)
御菓子[okashi] confections
お子さん[okosan] (someone else's) child
お子様[okosama] child (someone else's)
山梔子[kuchinashi] Cape jasmine (Gardenia jasminoides)

させ子[saseko] whore
梃子摺る[tekozuru] to have much trouble
螺子回し[nejimawashi] screwdriver
硝子[garasu] glass
獅子女[sufinkusu] sphinx

硝子[garasu] glass
フリント硝子[furintogarasu] flint glass
亜硝酸[ashousan] nitrous acid
亜硝酸塩[ashousanen] nitrite
硝煙[shouen] gunpowder smoke

硝酸[shousan] nitric acid
硝酸塩[shousanen] nitrate
硝酸銀[shousangin] silver nitrate
硝石[shouseki] saltpeter
天然硝子[tennengarasu] natural glass