praetor vs warden

praetor

noun
  • A consul in command of the army. 

  • An annually-elected curule magistrate, subordinate to the consuls in provincial administration, and who performed some of their duties; numbering initially only one, later two (either of the praetor urbānus (“urban praetor”) or the praetor peregrīnus (“peregrine praetor”)), and eventually eighteen. 

  • A high civic or administrative official, especially a chief magistrate or mayor. Sometimes used as a title. 

  • The title of the chief magistrate, the mayor, and/or the podestà in Palermo, in Verona, and in various other parts of 17th- and 18th-century Italy. 

warden

noun
  • A chief administrative officer of a prison. 

  • An official charged with supervisory duties or with the enforcement of specific laws or regulations; such as a game warden or air-raid warden 

  • A variety of pear. 

  • A governing official in various institutions 

verb
  • To carry out the duties of a warden. 

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