commendation vs imputation

commendation

noun
  • The act of commending; praise; favorable representation in words; recommendation. 

  • That which is the ground of approbation or praise. 

  • A message of affection or respect; compliments; greeting. 

  • An award or recognition for performance; a medal. 

imputation

noun
  • A setting of something to the account of; the attribution of personal guilt or personal righteousness of another. 

  • A distribution that is efficient and individually rational. 

  • The process of replacing missing data with substituted values. 

  • Opinion; intimation; hint. 

  • Charge or attribution of evil; censure; reproach; insinuation. 

  • That which has been imputed or charged. 

  • The statistical inference of unobserved genotypes. 

  • The act of imputing or charging; attribution; ascription. 

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