irruption vs sally

irruption

noun
  • The action of irrupting or breaking into; a violent entry or invasion; an inbreaking; an intrusion. 

  • An abrupt increase in the size of a movement or organization. 

  • An abrupt increase of an animal population. 

sally

noun
  • A sudden rushing forth. 

  • A kind of stonefly. 

  • A willow 

  • An excursion or side trip. 

  • An object made from the above trees' wood 

  • A witty statement or quip, usually at the expense of one's interlocutor. 

  • Any tree that looks like a willow 

  • A tufted woollen part of a bellrope, used to provide grip when ringing a bell. 

  • A wren. 

  • A member of the Salvation Army. 

  • A sortie of troops from a besieged place against an enemy. 

verb
  • To set out on an excursion; venture; depart (often followed by "forth.") 

  • To make a sudden attack (e.g. on an enemy from a defended position). 

  • To venture off the beaten path. 

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