proxy vs surrogate

proxy

noun
  • An agent or substitute authorized to act for another person. 

  • A proximity mine; a mine that explodes when something approaches within a certain distance. 

  • The authority to act for another, especially when written. 

  • A measurement of one physical quantity that is used as an indicator of the value of another 

  • The written appointment of a proctor in suits in the ecclesiastical courts 

  • An interface for a service, especially for one that is remote, resource-intensive, or otherwise difficult to use directly. 

adj
  • Used as a proxy or acting as a proxy. 

verb
  • To serve as a proxy for. 

  • To function as a server for a client device, but pass on the requests to another server for service. 

surrogate

noun
  • A substitute (usually of a person, position or role). 

  • A politician or person of influence campaigning for a presidential candidate. 

  • Any of a range of Unicode codepoints which are used in pairs in UTF-16 to represent characters beyond the Basic Multilingual Plane. 

  • An ersatz good. 

  • A deputy for a bishop in granting licences for marriage. 

  • A person or animal that acts as a substitute for the social or pastoral role of another, such as a surrogate parent. 

  • A judicial officer of limited jurisdiction, who administers matters of probate and intestate succession and, in some cases, adoptions. 

adj
  • Of, concerning, relating to or acting as a substitute. 

verb
  • To replace or substitute something with something else; to appoint a successor. 

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