gloat vs mourn

gloat

noun
  • An act or instance of gloating. 

verb
  • To triumph, crow, relish, glory, revel. 

  • To exhibit a conspicuous (sometimes malevolent) pleasure or sense of self-satisfaction, often at an adversary's misfortune. 

mourn

noun
  • Sorrow, grief. 

  • A ring fitted upon the head of a lance to prevent wounding an adversary in tilting. 

verb
  • To express sadness or sorrow for; to grieve over (especially a death). 

  • To utter in a sorrowful manner. 

  • To wear mourning. 

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