congeal vs ice up

congeal

verb
  • To change from a liquid to solid state, perhaps due to cold; called to freeze in nontechnical usage. 

  • To become congealed, solidify. 

  • To coagulate, make curdled or semi-solid such as gel or jelly. 

  • To make rigid or immobile. 

ice up

verb
  • To coat with ice; to cause to become covered or clogged with ice. 

  • To become clogged with ice. 

  • To put ice in or on something, especially in a beverage or on an injured body part. 

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