brooding vs fluent

brooding

adj
  • Broody; incubating eggs by sitting on them. 

  • Deeply or seriously thoughtful. 

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

fluent

adj
  • Able to use a language accurately, rapidly, and confidently – in a flowing way. 

  • That flows; flowing, liquid. 

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