guess vs imagine

guess

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". 

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

imagine

verb
  • to assume 

  • To form a mental image of something; to envision or create something in one's mind. 

  • to use one's imagination 

  • To believe in something created by one's own mind. 

  • to conjecture or guess 

  • Used to mock some idea. 

noun
  • A short fanfic or prompt placing a reader insert in a novel scenario with a character or celebrity. 

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