Boeotian vs fathead

Boeotian

noun
  • A dull or ignorant person. 

  • An inhabitant or a resident of Boeotia. 

adj
  • Pertaining to Boeotia. 

  • Stupid, foolish, dull-witted. 

name
  • A dialect of Ancient Greek spoken in Boeotia. 

fathead

noun
  • An idiot; a fool. 

  • A blobfish, Psychrolutes microporos 

  • Any of several species of fish of the genus Cubiceps 

  • A labroid food fish of California; the California sheephead. Semicossyphus pulcher. 

  • A cyprinid fish of the Mississippi valley, Pimephales promelas, the black-headed minnow. 

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