hound dog vs ibex

hound dog

noun
  • Any hound, especially the bloodhound. 

  • A promiscuous man. 

ibex

noun
  • An imaginary creature with serrated horns, somewhat similar to the heraldic antelope. 

  • A type of wild mountain goat of the genus Capra, such as the species Capra ibex. 

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