seething vs superheated

seething

adj
  • boiling, bubbling 

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

noun
  • The action of the verb to seethe. 

superheated

adj
  • Heated above the boiling point 

  • exceedingly intense or emotional 

  • heated above the critical point 

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