beneficial vs brooding

beneficial

adj
  • Helpful or good to something or someone. 

  • Relating to a benefice. 

noun
  • Something that is beneficial. 

brooding

adj
  • Deeply or seriously thoughtful. 

  • Broody; incubating eggs by sitting on them. 

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

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