patronage vs user

patronage

noun
  • The act or state of being a customer of some business. 

  • Customers collectively; clientele; business. 

  • A communication that indicates lack of respect by patronizing the recipient; condescension; disdain. 

  • The right of nomination to political office. 

  • Granting favours or giving contracts or making appointments to office in return for political support. 

  • The right of presentation to church or ecclesiastical benefice; advowson. 

  • Guardianship, as of a saint; tutelary care. 

  • The act of providing approval and support; backing; championship. 

verb
  • To support by being a patron of. 

  • To be a regular customer or client of; to patronize 

user

noun
  • One who uses or makes use of something, a consumer/client or an express or implied licensee (free user) or a trespasser. 

  • A person who uses drugs, especially illegal drugs. 

  • A person who uses a computer or a computing network, especially a person who has received a user account. 

  • An exploiter, an abuser (a person who "uses" people, that is treats and regards people unfairly, selfishly and/or unethically). 

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