disheartenment vs perplexion

disheartenment

noun
  • The state of being disheartened; dejection. 

  • The act of disheartening. 

perplexion

noun
  • Condition or state of being perplexed; perplexity. 

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