cardinal number vs counting

cardinal number

noun
  • A word that expresses a countable quantity; a cardinal numeral. 

  • A generalized kind of number used to denote the size of a set, including infinite sets. 

  • A number used to denote quantity; a counting number; a cardinal. 

counting

noun
  • a count 

  • the act by which something is counted. 

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