impartial vs raving

impartial

adj
  • treating all parties, rivals, or disputants equally; not partial; not biased 

raving

adv
  • Incoherently 

adj
  • Talking wildly. 

  • Causing excitement or wild praise. 

noun
  • Wild, incoherent, or irrational talk. 

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