contract vs pay-as-you-go

contract

noun
  • An order, usually given to a hired assassin, to kill someone. 

  • An agreement which the law will enforce in some way. A legally binding contract must contain at least one promise, i.e., a commitment or offer, by an offeror to and accepted by an offeree to do something in the future. A contract is thus executory rather than executed. 

  • An agreement between two or more parties, to perform a specific job or work order, often temporary or of fixed duration and usually governed by a written agreement. 

  • The document containing such an agreement. 

  • A part of legal studies dealing with laws and jurisdiction related to contracts. 

  • The declarer's undertaking to win the number of tricks bid with a stated suit as trump. 

verb
  • To enter into a contract with. 

  • To enter into, with mutual obligations; to make a bargain or covenant for. 

  • To draw together or nearer; to shorten, narrow, or lessen. 

  • To make an agreement or contract; to covenant; to agree; to bargain. 

  • To betroth; to affiance. 

  • To shorten by omitting a letter or letters or by reducing two or more vowels or syllables to one. 

  • To bring on; to incur; to acquire. 

  • To gain or acquire (an illness). 

  • To draw together so as to wrinkle; to knit. 

pay-as-you-go

noun
  • A financial policy by which capital projects are financed from current revenue in the operating budget rather than through borrowing. 

  • A payment method where the charge of a service is taken automatically, usually in small amounts, after the usage, in contrast of paying before usage. Used especially of mobile phones and transport ticketing. 

How often have the words contract and pay-as-you-go occurred in a corpus of books? (source: Google Ngram Viewer )