cardinality vs tenure

cardinality

noun
  • The status of being cardinalitial 

  • The number of terms that can inhabit a type; the possible values of a type. 

  • The number of elements a given set contains. 

  • The property of a relationship between a database table and another one, specifying whether it is one-to-one, one-to-many, many-to-one, or many-to-many. 

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 cardinality and tenure occurred in a corpus of books? (source: Google Ngram Viewer )