domestic cat vs malkin

domestic cat

noun
  • A domesticated cat, of the species Felis catus or Felis silvestris catus, especially one kept as a pet or for vermin control. 

malkin

noun
  • A hare. 

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

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