force out vs retain

force out

noun
  • An instance of an out created by touching a base in advance of a runner who has no base to return to while in possession of a ball which has already touched the ground. 

verb
  • To create an out by touching a base in advance of a runner who has no base to return to while in possession of a ball which has already touched the ground 

  • To cause something to be ejected 

retain

verb
  • To employ by paying a retainer. 

  • To hold back (a pupil) instead of allowing them to advance to the next class or year. 

  • To keep in one's pay or service. 

  • To keep in possession or use. 

  • To hold secure. 

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