bail out vs retain

bail out

verb
  • To secure the release of an arrested person by providing bail money. 

  • To exit an aircraft while in flight. 

  • To make an unscheduled voluntary termination of an underwater dive, usually implying the use of an alternative breathing gas supply. 

  • To leave (or not attend at all) a place or a situation, especially quickly or when the situation has become undesirable. 

  • To sell all or part of one's holdings in stocks, real estate, a business, etc. 

  • To remove water from a boat by scooping it out. 

  • To rescue, especially financially. 

retain

verb
  • To hold secure. 

  • 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. 

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