evaluate vs guess

evaluate

verb
  • To draw conclusions from examining; to assess. 

  • To compute or determine the value of (an expression). 

  • To return or have a specific value. 

guess

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

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

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

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

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

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