ice field vs sleet

ice field

noun
  • A large expanse of floating ice (several miles long). 

  • A network of interconnected glaciers or ice streams having a common source. 

sleet

noun
  • A smooth coating of ice formed on ground or other objects by freezing rain. 

  • Precipitation in the form of a mixture of rain and snow. 

  • Part of a mortar extending from the chamber to the trunnions. 

  • Pellets of ice made of mostly frozen raindrops or refrozen melted snowflakes. 

verb
  • To be in a state in which sleet is falling. 

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