ice cream bar vs water ice

ice cream bar

noun
  • A frozen dessert on a stick or a candy bar that has ice cream in it. The coating is usually a thin layer of chocolate. 

water ice

noun
  • A dessert made from crushed ice that has been sweetened and flavoured. 

  • Ice made of frozen water; water in a solid physical state, especially when distinguished from other frozen substances. Contrast liquid water, water vapor. 

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