saline vs salt water

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. 

salt water

noun

  • any water containing dissolved salt; brine 

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