callback vs redound

callback

noun
  • The return of a situation to a previous position or state. 

  • A joke which references an earlier joke in the same routine. 

  • A follow-up audition in casting. 

  • A function pointer passed as an argument to another function. 

  • A return telephone or radio call; especially one made automatically to authenticate a logon to a computer network. 

  • A form of audience participation in which the audience shout lines in response to the dialog of a film. 

  • A product recall because of a defect or safety concern. 

redound

noun
  • A coming back, as an effect or consequence; a return. 

verb
  • To reverberate, to echo. 

  • To attach, come back, accrue to someone; to reflect back on or upon someone (of honour, shame etc.). 

  • To roll back; to be sent or driven back. 

  • To arise from or out of something. 

  • To contribute to an advantage or disadvantage for someone or something. 

  • To contribute to the honour, shame etc. of a person or organisation. 

  • To reflect (honour, shame etc.) to or onto someone. 

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