ice pop vs iceblock

ice pop

noun
  • A frozen snack consisting of flavoured ice in a tube; a freeze pop. 

  • A snack made of frozen juice on a stick; an ice lolly or popsicle. 

iceblock

noun
  • An ice lolly. 

  • A block of ice. 

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