atomizer vs nebulizer

atomizer

noun
  • An instrument for reducing a liquid to spray or vapor for disinfecting, cooling, medical use or perfume spraying. 

nebulizer

noun
  • A device used to administer a medicine into the lungs, by converting the medicine from liquid state into a fine spray of aerosols, to be inhaled through the nose or mouth. 

  • A device used to convert liquid into a fine spray of aerosols, by means of oxygen, compressed air, or ultrasonic vibration. 

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