cardinality vs firmness

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. 

firmness

noun
  • strictness; mental strength 

  • security; steadfastness; good grip 

  • physical durability; rigidness (of material) 

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