imperilment vs menace

imperilment

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

menace

noun
  • The act of threatening. 

  • An annoying and bothersome person or thing. 

  • A perceived threat or danger. 

verb
  • To endanger (someone or something); to imperil or jeopardize. 

  • To threaten (an evil to be inflicted). 

  • To make threats against (someone); to intimidate. 

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