dare vs doctor

dare

noun
  • A small fish, the dace 

  • The quality of daring; venturesomeness; boldness. 

  • A challenge to prove courage. 

  • In the game truth or dare, the choice to perform a dare set by the other players. 

  • Defiance; challenge. 

verb
  • To terrify; to daunt. 

  • To have enough courage (to do something). 

  • To have enough courage to meet or do something, go somewhere, etc.; to face up to 

  • To catch (larks) by producing terror through the use of mirrors, scarlet cloth, a hawk, etc., so that they lie still till a net is thrown over them. 

  • To defy or challenge (someone to do something) 

doctor

noun
  • A fish, the friar skate. 

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

verb
  • To act as a medical doctor to. 

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

  • 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). 

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