eyeball vs headlight

eyeball

noun
  • The ball of the eye. 

  • A face-to-face meeting. 

  • A person's focus of attention. 

  • A favourite or pet; the apple of someone's eye. 

  • A readership or viewership. 

verb
  • To roll one's eyes. 

  • To gauge, estimate or judge by eye, rather than measuring precisely; to look or glance at. 

  • To scrutinize. 

  • To stare at intently. 

headlight

noun
  • A jewel; especially a diamond. 

  • A woman's breast. 

  • A bright light, with a lens and reflector, on the front of a motor vehicle (or originally a ship or train), designed to illuminate the road when driving at night; normally one of a pair. 

  • Lysergic acid diethylamide (LSD). 

  • A woman's erect nipples, partially masked by clothing. 

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