roily vs seething

roily

adj
  • turbulent 

  • muddy, cloudy (having lots of sediment) 

seething

adj
  • boiling, bubbling 

  • Filled with unexpressed anger, the state of being livid. 

noun
  • The action of the verb to seethe. 

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