complacency vs hygge

complacency

noun
  • A feeling of contented self-satisfaction, especially when unaware of upcoming trouble. 

  • Passivity as a result of contentment with the current situation. 

hygge

noun
  • Cosiness, comfort, contentment, conviviality. 

adj
  • Cosy, convivial. 

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