hot potato vs imperilment

hot potato

noun
  • A child's game in which players pass a ball or other item between them, with the object of avoiding being left holding the item when time expires. 

  • An awkward or delicate problem with which nobody wants to be associated. 

imperilment

noun
  • The act of imperiling, or the state of being imperiled. 

How often have the words hot potato and imperilment occurred in a corpus of books? (source: Google Ngram Viewer )