malkin vs puma

malkin

noun
  • A hare. 

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

puma

noun
  • A mountain lion or cougar (Puma concolor). 

  • A woman in her 20s or 30s who seeks relationships with younger men; a younger cougar. 

  • Any feline belonging to the genus Puma. 

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