cancel vs dismiss

cancel

verb
  • To invalidate or annul something. 

  • To cross out something with lines etc. 

  • To offset or equalize something. 

  • To kill. 

  • To remove a common factor from both the numerator and denominator of a fraction, or from both sides of an equation. 

  • To cease to provide financial or moral support to (someone deemed unacceptable). Compare cancel culture. 

  • To stop production of a programme. 

  • To mark something (such as a used postage stamp) so that it can't be reused. 

noun
  • A cancellation (US); (nonstandard in some kinds of English). 

  • The page thus suppressed. 

  • A control message posted to Usenet that serves to cancel a previously posted message. 

  • The page that replaces it. 

  • The suppression on striking out of matter in type, or of a printed page or pages. 

dismiss

verb
  • To invalidate; to treat as unworthy of serious consideration. 

  • To get a batsman out. 

  • To give someone a red card; to send off. 

  • To reject; to refuse to accept. 

  • To order to leave. 

  • To send or put away, to discard with disregard, contempt or disdain. (sometimes followed by as). 

  • To discharge; to end the employment or service of. 

  • To dispel; to rid one’s mind of. 

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