rationalization vs response

rationalization

noun
  • A statement of one's motives, or of the causes of some event. 

  • The concealment of true motivation in some non-threatening way. 

  • The process or result of rationalizing. 

  • The simplification of an expression without changing its value. 

  • A reorganization of a company or organization in order to improve its efficiency. 

response

noun
  • A reaction to a stimulus or provocation. 

  • An oracular answer. 

  • A reply to an objection in formal disputation. 

  • An answer or reply, or something in the nature of an answer or reply. 

  • A versicle or anthem said or sung during or after a lection; a respond or responsory. 

  • The act of responding or replying; reply: as, to speak in response to a question. 

  • An online advertising performance metric representing one click-through from an online ad to its destination URL. 

  • A verse, sentence, phrase, or word said or sung by the choir or congregation in sequence or reply to the priest or officiant. 

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