brooding vs ponderous

brooding

adj
  • Deeply or seriously thoughtful. 

  • Broody; incubating eggs by sitting on them. 

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

ponderous

adj
  • Characterized by or associated with pondering. 

  • Heavy, massive, weighty. 

  • Clumsy, unwieldy, or slow, especially due to weight. 

  • Serious, onerous, oppressive. 

  • Dull, boring, tedious; long-winded in expression. 

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