ibex vs palooka

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. 

palooka

noun
  • A stupid, oafish or clumsy person. 

  • Someone incompetent or untalented. 

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