attrit vs dial down

attrit

verb
  • 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. 

  • To wear down through attrition, especially mechanical attrition. 

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

dial down

verb
  • To reduce or diminish in effect or intensity. 

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