highlight vs jacklight

highlight

noun
  • An area or a spot in a drawing, painting, or photograph that is strongly illuminated. 

  • An especially significant or interesting detail or event or period of time. 

  • A strand or spot of hair dyed a different color than the rest. 

verb
  • To be a highlight of. 

  • To make prominent; emphasize. 

  • To seek the attention of (a user) on IRC by mentioning their name in a message, causing that message to appear highlighted on their screen. 

  • To mark (important passages of text), e.g. with a fluorescent marker pen or in a wordprocessor, as a means of memory retention or for later reference. 

  • To dye (part of the hair) a different color than the rest. 

jacklight

noun
  • A spotlight or lamp mounted on a car. 

verb
  • To shine a jacklight or spotlight on an animal, usually a deer, to aid in hunting at night. 

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