aid vs hurt

aid

noun
  • Help; assistance; succor, relief. 

  • An historical subsidy granted to the crown by Parliament for an extraordinary purpose, such as a war effort. 

  • A helper; an assistant. 

  • An exchequer loan. 

  • Something which helps; a material source of help. 

  • A pecuniary tribute paid by a vassal to his feudal lord on special occasions. 

  • The rider's use of hands, legs, voice, etc. to control the horse. 

verb
  • To climb with the use of aids such as pitons. 

  • To provide support to; to further the progress of; to help; to assist. 

hurt

noun
  • An emotional or psychological humiliation or bad experience. 

  • A roundel azure (blue circular spot). 

  • A band on a trip hammer's helve, bearing the trunnions. 

  • A husk. 

adj
  • Wounded, physically injured. 

  • Pained. 

verb
  • To cause (a person or animal) physical pain and/or injury. 

  • To be painful. 

  • To cause (somebody) emotional pain. 

  • To damage, harm, impair, undermine, impede. 

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