brooding vs commiserative

brooding

adj
  • Deeply or seriously thoughtful. 

  • Broody; incubating eggs by sitting on them. 

noun
  • A spell of brooding; the time when someone broods. 

commiserative

adj
  • Feeling or expressing commiseration, compassion, pity or sympathy 

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