exhale vs tug

exhale

noun
  • An exhalation. 

verb
  • To draw out; to cause to be emitted in vapour. 

  • To pass off in the form of vapour; to emerge. 

  • To expel (something, such as tobacco smoke) from the lungs by action of the diaphragm. 

  • To expel air from the lungs through the nose or mouth by action of the diaphragm, to breathe out. 

  • To emit (a vapour, an odour, etc.). 

tug

noun
  • A sudden powerful pull. 

  • A dog toy consisting of a rope, often with a knot in it. 

  • A trace, or drawing strap, of a harness. 

  • A tugboat. 

  • An iron hook of a hoisting tub, to which a tackle is affixed. 

  • An act of male masturbation. 

verb
  • To masturbate. 

  • To tow by tugboat. 

  • To pull or drag with great effort. 

  • To pull hard repeatedly. 

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