catamount vs cougar

catamount

noun
  • A wild animal of the family Felidae, especially the cougar or puma (Puma concolor). 

cougar

noun
  • Puma concolor, a wild feline native to the Americas. 

  • An older woman who actively seeks the casual, often sexual, companionship of younger men, by implication a female “sexual predator”. 

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