irrupt vs swamp

irrupt

verb
  • To break into. 

  • To enter forcibly or uninvited. 

  • To rapidly increase or intensify. 

swamp

verb
  • To plunge into difficulties and perils; to overwhelm; to ruin; to wreck. 

  • To overwhelm; to make too busy, or overrun the capacity of. 

  • To drench or fill with water. 

noun
  • A piece of wet, spongy land; low ground saturated with water; soft, wet ground which may have a growth of certain kinds of trees, but is unfit for agricultural or pastoral purposes. 

  • A place or situation that is foul or where progress is difficult. 

  • A type of wetland that stretches for vast distances, and is home to many creatures which have adapted specifically to that environment. 

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