Compounds of 手洗い

• 手洗い
  (n) (1) washing one's hands
  water (or basin, etc.) for washing one's hands
  (2) restroom
  lavatory
  toilet
  (3) hand-washing (laundry, etc.)
  (P)
• お手洗い
  (n) toilet
  restroom
  lavatory
  bathroom
  (P)
• 御手洗い
  (n) toilet
  restroom
  lavatory
  bathroom
• 手洗い鉢
  (n) washbasin