brilliant vs headlight

brilliant

noun
  • A finely cut gemstone, especially a diamond, cut in a particular form with numerous facets so as to maximize light return through the top (called "table") of the stone. 

  • Most hummingbird species of the genus Heliodoxa. 

  • A kind of cotton goods, figured on the weaving. 

adj
  • Highly intelligent. 

  • Magnificent or wonderful. 

  • Both bright and saturated. 

  • Shining brightly. 

  • Having a sharp, clear tone. 

  • Of surpassing excellence. 

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 brilliant and headlight occurred in a corpus of books? (source: Google Ngram Viewer )