laser vs searchlight

laser

noun
  • A device that produces a monochromatic, coherent beam of light. 

  • A laser printer. 

  • Such a plant. 

  • A gum resin obtained from certain umbelliferous plants. 

  • A beam of light produced by such a device; a laser beam. 

verb
  • To cut with a laser. 

  • To throw or kick with laser-like precision. 

searchlight

noun
  • A light source that projects a bright beam of light in any direction, generally for military use. 

  • The light from the above source. 

verb
  • To scan or sweep across like a searchlight. 

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