guess vs rating

guess

noun
  • A prediction about the outcome of something, typically made without factual evidence or support. 

verb
  • to suppose (introducing a proposition of uncertain plausibility). 

  • To solve by a correct conjecture; to conjecture rightly. 

  • To reach a partly (or totally) unqualified conclusion. 

  • To think, conclude, or decide (without a connotation of uncertainty). Usually in first person: "I guess". 

rating

noun
  • An enlisted seaman not a commissioned officer or warrant officer. 

  • An evaluation of status, especially of financial status. 

  • A number, letter, or other mark that refers to the ability of something. 

  • A position on a scale. 

  • A quantitative measure of the audience of a television program. 

  • A seaman in a warship. 

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