disgruntlement vs ressentiment

disgruntlement

noun
  • The state of being disgruntled, usually displayed in a stereotypical form such as frowning and annoyance; the acts of sulky dissatisfaction. 

ressentiment

noun
  • A sense of resentment arising from suppressed feelings of envy and hatred, often leading to a frustrated sense of inferiority, with various social repercussions. 

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