malkin vs pussy-cat

malkin

noun
  • A hare. 

  • A mop, especially one used to clean a baker's oven. 

pussy-cat

noun
  • The silky catkin of various willows. 

  • A gentle or soft-hearted person. 

  • A pet domestic cat; a pussy. 

How often have the words malkin and pussy-cat occurred in a corpus of books? (source: Google Ngram Viewer )