clientage vs commerce

clientage

noun
  • clients collectively; clientele 

  • the condition of being a client 

commerce

noun
  • Social intercourse; the dealings of one person or class in society with another; familiarity. 

  • An 18th-century French card game in which the cards are subject to exchange, barter, or trade. 

  • The exchange or buying and selling of commodities; especially the exchange of merchandise, on a large scale, between different places or communities; extended trade or traffic. 

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