annex vs overrun

annex

verb
  • To add something to another thing, especially territory; to incorporate. 

  • To attach or connect, as a consequence, condition, etc. 

  • To join; to be united. 

noun
  • An appendix to a book or document. 

  • An addition to the territory of a country or state, from a neighbouring country or state, normally by military force. 

  • An addition, an extension. 

  • An addition or extension to a building. 

overrun

verb
  • To go beyond; to extend in part beyond. 

  • To run past; to run beyond. 

  • To infest, swarm over, flow over. 

  • To continue for too long. 

  • To carry (some type, a line or column, etc.) backward or forward into an adjacent line or page. 

  • To defeat an enemy and invade in great numbers, seizing the enemy positions conclusively. 

  • To abuse or oppress, as if by treading upon. 

  • To run past the end of. 

noun
  • The amount by which something overruns. 

  • An instance of overrunning. 

  • An area of terrain beyond the end of a runway that is kept flat and unobstructed to allow an aircraft that runs off the end of the runway to stop safely. 

  • Air that is whipped into a frozen dessert to make it easier to serve and eat. 

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