candle vs headlight

candle

noun
  • A light source consisting of a wick embedded in a solid, flammable substance such as wax, tallow, or paraffin. 

  • A fast-growing, light-colored, upward-growing shoot on a pine tree in the spring. As growth slows in summer, the shoot darkens and is no longer conspicuous. 

  • The protruding, removable portion of a filter, particularly a water filter. 

verb
  • To check (an item, such as an envelope) by holding it between a light source and the eye. 

  • To dry (greenware) prior to the firing cycle, setting the kiln at 200° Celsius until all water is removed from the greenware. 

  • To observe the growth of an embryo inside (an egg), using a bright light source. 

headlight

noun
  • 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. 

  • A woman's breast. 

  • A jewel; especially a diamond. 

  • Lysergic acid diethylamide (LSD). 

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

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