nit vs wing nut

nit

noun
  • A head louse regardless of its age. 

  • A nitpicker. 

  • A candela per square metre. 

  • The egg of a louse. 

  • A young louse. 

  • A fool, a nitwit. 

  • Synonym of nat (“logarithmic unit of information”) 

  • A player with an overly cautious and reactive playing style. 

  • A minor shortcoming. 

verb
  • To have the modus vivendi of a drug addict, to live the life of a nitty. 

wing nut

noun
  • Someone with large, protruding ears. 

  • 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. 

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