commit vs retain

commit

verb
  • To give in trust; to put into charge or keeping; to entrust; to consign; used with to or formerly unto. 

  • To make a set of changes permanent. 

  • To do (something bad); to perpetrate, as a crime, sin, or fault. 

  • To pledge or bind; to compromise, expose, or endanger by some decisive act or preliminary step. (Traditionally used only reflexively but now also without oneself etc.) 

  • To integrate new revisions into the public or master version of a file in a version control system. 

  • To forcibly evaluate and treat in a medical facility, particularly for presumed mental illness. 

  • To imprison: to forcibly place in a jail. 

noun
  • The act of committing (e.g. a database transaction), making it a permanent change; such a change. 

  • The submission of source code or other material to a source control repository. 

retain

verb
  • To keep in possession or use. 

  • 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 hold secure. 

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