commit vs pledge

commit

verb
  • 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 make a set of changes permanent. 

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

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

  • 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. 

pledge

verb
  • To make a solemn promise (to do something). 

  • To deposit something as a security; to pawn. 

  • To give assurance of friendship by the act of drinking; to drink to one's health. 

noun
  • A solemn promise to do something. 

  • The personal property so pledged, to be kept until the debt is paid. 

  • A bailment of personal property to secure payment of a debt without transfer of title. 

  • A person who has taken a pledge of allegiance to a college fraternity, but is not yet formally approved. 

  • A drinking toast. 

  • An asset or person temporarily handed over to guarantee the fulfilment of something promised, under threat of permanent loss of the thing handed over; surety, security, hostage. 

  • A promise to abstain from drinking alcohol. 

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