light water vs mist

light water

noun
  • Foam formed by water and a fluorocarbon surfactant, used in firefighting because it floats on flammable liquids lighter than water. 

  • Water in its standard form of H₂O, containing two protium hydrogen atoms, as opposed to heavy water. 

mist

noun
  • Water or other liquid finely suspended in air. (Compare fog, haze.) 

  • It was difficult to see through the morning mist. 

  • Anything that dims, darkens, or hinders vision. 

  • A layer of fine droplets or particles. 

verb
  • To form mist. 

  • To be covered by tears. 

  • To spray fine droplets on, particularly of water. 

  • To cover with a mist. 

  • To disperse into a mist, accompanying operation of equipment at high speeds. 

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