immune vs palatine

immune

adj
  • Exempt; not subject to. 

  • Not vulnerable. 

  • Of or pertaining to the immune system. 

  • Protected by inoculation, or due to innate resistance to pathogens. 

verb
  • To make immune. 

noun
  • A person who is not susceptible to infection by a particular disease 

palatine

adj
  • Subject to palatine authority. 

  • (of an official or feudal lord) Having local authority and possessing royal privileges that elsewhere belongs only to a sovereign. 

  • Pertaining to the Elector Palatine or the German Palatinate or its people. 

  • Of or relating to the palate or to a palatine bone. 

  • Of or relating to a palace especially of a Roman or Holy Roman Emperor. 

  • Synonym of palatial. 

noun
  • The Roman soldiers of the imperial palace. 

  • A feudal lord (ellipsis of count palatine.) or a bishop possessing palatine powers. 

  • A fur cape or stole for women which covers the neck and shoulders. 

  • A palace official, especially in an imperial palace. 

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