common salt vs saline

common salt

noun
  • Ordinary salt (sodium chloride) 

saline

noun
  • Water containing dissolved salt. 

  • A salt spring; a place where salt water is collected in the earth. 

adj
  • Resembling salt. 

  • Containing salt; salty. 

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