assume vs imagine

assume

verb
  • To authenticate by means of belief; to surmise; to suppose to be true, especially without proof 

  • To receive, adopt (a person) 

  • To adopt a feigned quality or manner; to claim without right; to arrogate 

  • To take on a position, duty or form 

  • To adopt (an idea or cause) 

imagine

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

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

  • to assume 

  • to use one's imagination 

  • 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 assume and imagine occurred in a corpus of books? (source: Google Ngram Viewer )