pledge vs transaction

pledge

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

  • A solemn promise to do something. 

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

  • 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. 

verb
  • To deposit something as a security; to pawn. 

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

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

transaction

noun
  • The transfer of funds into, out of, or from an account. 

  • A social interaction. 

  • A record of the proceedings of a learned society. 

  • An exchange or trade, as of ideas, money, goods, etc. 

  • A deal or business agreement. 

  • The act of conducting or carrying out (business, negotiations, plans). 

  • An atomic operation; a message, data modification, or other procedure that is guaranteed to perform completely or not at all (e.g. a database transaction). 

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