noun:

• bathroom ➜ 風呂場
• bathing - archaism
• bathing attendant (for a noble) - archaism

noun:

• clothing to absorb dampness after bathing; yukata
• twice-boiled rice (for sick persons) - abbreviation ➜ 湯取り飯【ゆとりめし】
• scoop for removing bilge water; bailer - archaism

noun:

• hot-springs mineral deposits (resembling flowers); flowers of sulphur; geyserite ➜ 湯の花【ゆのはな】

noun:

• accessories used for bathing
• garment used while bathing ➜ 湯帷子・ゆまき・腰巻き・ゆもじ

noun:

• Shinto ritual in which a shaman or priest soaks bamboo grass in boiling water and sprinkles the water on worshippers (originally a form of divination, later a purification ceremony, now primarily used to pray for good health) ➜ 巫女【みこ】