notwithstanding vs whereupon

notwithstanding

conj
  • Although; despite; even though. 

prep
  • In spite of, despite. 

adv
  • Nevertheless, all the same. 

postp
  • In spite of, despite. 

whereupon

conj
  • After which, in consequence. 

  • Upon which. 

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