attrit vs traction

attrit

verb
  • To wear down through attrition, especially mechanical attrition. 

  • To be reduced in quantity through attrition. 

  • To lose, or to kill, troops by attrition due to sustained firepower. 

  • To engage in attrition; to quit or drop out. 

noun
  • One who voluntarily or involuntarily leaves a company; a termed employee. 

traction

verb
  • To apply a sustained pull to (a limb, etc.). 

noun
  • The condition of being so pulled. 

  • The extent of adoption of a new product or service, typically measured in number of customers or level of revenue achieved. 

  • Popular support. 

  • A mechanically applied sustained pull, especially to a limb. 

  • Collectively, the locomotives of a railroad, especially electric locomotives. 

  • The act of pulling something along a surface using motive power. 

  • The pulling power of an engine or animal. 

  • Grip. 

  • Scholarly interest and research. 

  • The adhesive friction of a wheel etc on a surface. 

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