hawk vs saliva

hawk

noun
  • A noisy effort to force up phlegm from the throat. 

  • A plasterer's tool, made of a flat surface with a handle below, used to hold an amount of plaster prior to application to the wall or ceiling being worked on: a mortarboard. 

  • An advocate of aggressive political positions and actions. 

  • A diurnal predatory bird of the family Accipitridae, smaller than an eagle. 

  • An uncooperative or purely-selfish participant in an exchange or game, especially when untrusting, acquisitive or treacherous. Refers specifically to the Prisoner's Dilemma, alias the Hawk-Dove game. 

  • Any diurnal predatory terrestrial bird of similar size and appearance to the accipitrid hawks, such as a falcon. 

  • Any of various species of dragonfly of the genera Apocordulia and Austrocordulia, endemic to Australia. 

verb
  • To hunt with a hawk. 

  • To sell; to offer for sale by outcry in the street; to carry (merchandise) about from place to place for sale; to peddle. 

  • To make an attack while on the wing; to soar and strike like a hawk. 

  • To expectorate, to cough up something from one's throat. 

  • To try to cough up something from one's throat; to clear the throat loudly. 

saliva

noun
  • A clear, slightly alkaline liquid secreted into the mouth by the salivary glands and mucous glands, consisting of water, mucin, protein, and enzymes. It moistens the mouth, lubricates ingested food, and begins the breakdown of starches. 

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