genius vs wing nut

genius

adj
  • Ingenious, brilliant, very clever, or original. 

noun
  • Inspiration, a mental leap, an extraordinary creative process. 

  • Someone possessing extraordinary intelligence or skill; especially somebody who has demonstrated this by a creative or original work in science, music, art etc. 

  • Extraordinary mental capacity. 

  • The tutelary deity or spirit of a place or person. 

wing nut

noun
  • A nut with wing-like projections to provide leverage in turning with thumb and forefinger. 

  • One who advocates extreme measures or changes, especially if they hold or are perceived to hold far-right viewpoints; a radical or reactionary. 

  • Someone with large, protruding ears. 

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