attrit vs dwindle

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. 

dwindle

verb
  • To decrease, shrink, diminish, reduce in size or intensity. 

  • To lessen; to bring low. 

  • To break up or disperse. 

  • To fall away in quality; degenerate, sink. 

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