attrition vs damage

attrition

noun
  • Imperfect contrition or remorse. 

  • A gradual, natural reduction in membership or personnel, as through retirement, resignation, or death. 

  • Grinding down or wearing away by friction. 

  • The gradual reduction in a tangible or intangible resource due to causes that are passive and do not involve productive use of the resource. 

  • The loss of participants during an experiment. 

  • The wearing of teeth due to their grinding. 

  • The loss of a first or second language or a portion of that language. 

verb
  • To reduce the number of (jobs or workers) by not hiring new employees to fill positions that become vacant (often with out). 

  • To undergo a reduction in number. 

  • To grind or wear down through friction. 

damage

noun
  • Injury or harm; the condition or measure of something not being intact. 

  • Cost or expense. 

verb
  • To impair the soundness, goodness, or value of; to harm or cause destruction. 

  • To remove a damaged or unsalable item from the sales floor for processing. 

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