ice floe vs sleet

ice floe

noun
  • A flat mass of floating ice, smaller than an ice field. 

  • An ice dam (ice jam), a blockage of ice in a river starting with an ice floe in the river. 

  • Any type of sea ice not attached to land, drift ice. 

  • An ice stream (ice flow), a type of fast moving glacier 

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 floe and sleet occurred in a corpus of books? (source: Google Ngram Viewer )