brooding vs caring

brooding

adj
  • Deeply or seriously thoughtful. 

  • Broody; incubating eggs by sitting on them. 

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

caring

adj
  • Kind, sensitive, or empathetic. 

noun
  • The act of one who cares. 

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