loo vs powder room

loo

noun
  • A lavatory: a room used for urination and defecation. 

  • An act that prompts such a penalty. 

  • A hot dust-bearing wind found in Bihar, Uttar Pradesh and the Punjab. 

  • A toilet: a fixture used for urination and defecation. 

  • Any group of people. 

  • The penalty paid to the pool in lanterloo for breaking certain rules or failing to take a trick. 

  • A lieutenant. 

  • A game of lanterloo. 

verb
  • To urge on with cries of loo or (figuratively) by other shouting or outcry. 

  • To pay a penalty to the pool for breaking certain rules or failing to take a trick in lanterloo. 

  • To beat in the card game lanterloo. 

  • To pay any penalty to any community. 

intj
  • A cry to urge on hunting dogs. 

powder room

noun
  • Synonym of ladies' room: a lavatory intended for use by women. 

  • A room used to powder hair and wigs. 

  • A room used to store gunpowder, particularly (historical) on a ship equipped with cannon. 

  • Synonym of half bath: a small room with a toilet and sink but no bathtub or shower. 

How often have the words loo and powder room occurred in a corpus of books? (source: Google Ngram Viewer )