exchange of contracts vs traffic

exchange of contracts

noun
  • The act of exchanging contracts. 

  • The point or stage at which a conveyancing contract comes into existence between negotiating parties for the carrying out of a disposition of an estate in land; usually requiring the payment of a deposit. 

traffic

noun
  • Illegal trade or exchange of goods, often drugs. 

  • The amount of attention paid to a particular printed page etc. in a publication. 

  • Commercial transportation or exchange of goods, or the movement of passengers or people. 

  • In CB radio, formal written messages relayed on behalf of others. 

  • Exchange or flux of information, messages or data, as in a computer or telephone network. 

  • Commodities of the market. 

  • Moving pedestrians or vehicles, or the flux or passage thereof. 

adj
  • congested 

verb
  • To exchange in traffic; to effect by a bargain or for a consideration. 

  • To pass goods and commodities from one person to another for an equivalent in goods or money; to buy or sell goods. 

  • To trade meanly or mercenarily; to bargain. 

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