fulmination vs imperilment

fulmination

noun
  • The act of fulminating or exploding; detonation. 

  • That which is fulminated or thundered forth; vehement menace or censure. 

  • The act of thundering forth threats or censures, as with authority. 

imperilment

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

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