defence vs onrush

defence

noun
  • A strategy and tactics employed to prevent the other team from scoring; contrasted with offence. 

  • The portion of a team dedicated to preventing the other team from scoring; contrasted with offence. 

  • Government policy or (infra)structure related to the military. 

  • Something used to oppose attacks. 

  • The action of defending, of protecting from attack, danger or injury. 

  • An argument in support or justification of something. 

onrush

verb
  • To assault aggressively. 

  • To rush or flow forward forcefully. 

noun
  • An aggressive assault. 

  • A forceful rush or flow forward. 

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