mot vs scrubwoman

mot

noun
  • A landlady. 

  • A witty remark; a witticism; a bon mot. 

  • A woman; a wife. 

  • A prostitute. 

scrubwoman

noun
  • A woman employed to do general housework, such as cleaning a house or office. 

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