residency vs tenure

residency

noun
  • Synonym of rezidentura 

  • The home or residence of a person, especially in the colonies. 

  • The condition of being a resident of a particular place. 

  • The position or term of a medical resident. 

  • The position of a musical artist who commonly performs at a particular venue. 

tenure

noun
  • A status of possessing a thing or an office; an incumbency. 

  • A period of time during which something is possessed. 

  • A right to hold land under the feudal system. 

  • A status of having a permanent post with enhanced job security within an academic institution. 

verb
  • To grant tenure, the status of having a permanent academic position, to (someone). 

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