raving vs unbalanced

raving

adj
  • Causing excitement or wild praise. 

  • Talking wildly. 

noun
  • Wild, incoherent, or irrational talk. 

adv
  • Incoherently 

unbalanced

adj
  • irrational or mentally deranged 

  • of an expression having different numbers of left and right parentheses 

  • not adjusted such that debit and credit correspond 

  • not balanced, without equilibrium; dizzy 

  • an offensive line with more players on one side of the center than on the other 

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