consequently vs thereupon

consequently

adv
  • As a result or consequence of something; subsequently. 

thereupon

adv
  • In consequence, or by reason, of that; therefore. 

  • Following that; forthwith; in sequence, but not necessarily in consequence. 

  • Upon that; thereon. 

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