suppose vs take it

suppose

verb
  • To imagine; to believe; to receive as true. 

  • To require to exist or to be true; to imply by the laws of thought or of nature. 

  • To put by fraud in the place of another. 

  • To theorize or hypothesize. 

  • To take for granted; to conclude, with less than absolute supporting data; to believe. 

take it

verb
  • to reluctantly accept or believe; to acquiesce 

  • to suppose 

  • to start doing 

  • Used other than figuratively or idiomatically: see take, it. 

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