attrit vs enervate

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. 

enervate

verb
  • To reduce strength or energy; debilitate. 

  • To weaken morally or mentally. 

  • To partially or completely remove a nerve. 

adj
  • Made feeble; weakened. 

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