change vs doctor

change

verb
  • To become something different. 

  • To replace one's clothing. 

  • To replace the clothing of (the one wearing it). 

  • To change hand while riding (a horse). 

  • To transfer to another vehicle (train, bus, etc.) 

  • To make something into something else. 

  • To replace. 

noun
  • The process of becoming different. 

  • A change-up pitch. 

  • An amount of cash, usually in the form of coins, but sometimes inclusive of paper money. 

  • Small denominations of money given in exchange for a larger denomination. 

  • Balance of money returned from the sum paid after deducting the price of a purchase. 

  • A transfer between vehicles. 

  • Any order in which a number of bells are struck, other than that of the diatonic scale. 

  • A replacement. 

doctor

verb
  • To physically alter (medically or surgically) a living being in order to change growth or behavior. 

  • To act as a medical doctor to. 

  • To act as a medical doctor. 

  • To alter or make obscure, as with the intention to deceive, especially a document. 

  • To genetically alter an extant species. 

  • To make (someone) into an (academic) doctor; to confer a doctorate upon. 

  • To adulterate, drug, or poison (drink). 

noun
  • A physician; a member of the medical profession; one who is trained and licensed to heal the sick or injured. The final examination and qualification may award a doctor degree in which case the post-nominal letters are D.O., DPM, M.D., DMD, DDS, in the US or MBBS in the UK. 

  • A person who has attained a doctorate, such as a Ph.D. or Th.D. or one of many other terminal degrees conferred by a college or university. 

  • A veterinarian; a medical practitioner who treats non-human animals. 

  • A fish, the friar skate. 

  • A nickname for a person who has special knowledge or talents to manipulate or arrange transactions. 

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