goofball vs ibex

goofball

noun
  • A foolish or silly person or animal. 

  • A pill or tablet containing a pharmaceutical which has hypnotic or intoxicating effects, especially a barbiturate. 

adj
  • Silly. 

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 goofball and ibex occurred in a corpus of books? (source: Google Ngram Viewer )