滝壷[takitsubo] basin under a waterfall
墨壷[sumitsubo] ink bottle
火消壷[hikeshitsubo] charcoal extinguisher
骨壷[kotsutsubo] funerary urn
油壷[aburatsubo] oilcan

蛸壷[takotsubo] octopus pot
痰壷[tantsubo] spittoon
思う壷[omoutsubo] one's wishes
思う壷にはまる[omoutsubonihamaru] to turn out just as one wished

去痰[kyotan] expectoration
喀痰[kakutan] expectoration
血痰[kettan] bloody phlegm
痰壷[tantsubo] spittoon

検痰[kentan] sputum test
喀痰検査[kakutankensa] examination of somebody's sputum
去痰薬[kyotanyaku] expectorant
痰唾[tantsuba] sputum