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

小滝[otaki] cascade
滝口[takiguchi] top of a waterfall
滝川[takigawa] rapids
滝つぼ[takitsubo] basin under a waterfall

滝登り[takinobori] (fish) climbing (swimming) up waterfall
白滝[shirataki] noodles made from konnyaku
雌滝[medaki] the smaller waterfall (of the two)
男滝[odaki] greater waterfall (of the two)