clear one's throat vs gasp

clear one's throat

verb
  • Forcibly, sometimes mutedly, expelling air from one's lungs, sometimes to clear mucus, sometimes to attract attention to something; less vigorous than coughing. 

gasp

verb
  • To breathe quickly or in a labored manner, as after exertion; to respire with heaving of the breast; to pant. 

  • To speak in a breathless manner. 

  • To pant with eagerness or excitement; to show vehement desire. 

  • To draw in the breath suddenly, as if from a shock. 

intj
  • The sound of a gasp. 

noun
  • A draw or drag on a cigarette (or gasper). 

  • A short, sudden intake of breath. 

How often have the words clear one's throat and gasp occurred in a corpus of books? (source: Google Ngram Viewer )