御湯[oyu] hot water
塩湯[shioyu] hot salt water (incl. bath)
温湯[ontou] comfortably hot bath
下湯[shimoyu] sitz bath
そと湯[sotoyu] open air bath (in an inn, onsen, etc.)

給湯[kyuutou] hot-water supply
給湯器[kyuutouki] hot-water heater
腰湯[koshiyu] sitting bath
重湯[omoyu] thin rice gruel
出で湯[ideyu] hot spring

愛飲[aiin] usual drink
一飲み[hitonomi] swallowing in one gulp
一気に飲む[ikkininomu] to drink in one gulp
飲みで[nomide] more than enough
飲みくだす[nomikudasu] to swallow

飲みまわす[nomimawasu] to pass the cup round
飲みまわる[nomimawaru] to go on a pub-crawl
飲みほす[nomihosu] to drink up
飲口[nomikuchi] taste (of a liquid, esp. alcoholic beverages)
飲手[nomite] heavy drinker