complacency vs snugness

complacency

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

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

snugness

noun
  • The state or quality of being snug. 

  • The result or product of being snug. 

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