argal vs thereupon

argal

adv
  • thus, therefore 

noun
  • An argali (kind of sheep). 

  • crude tartar. 

thereupon

adv
  • Upon that; thereon. 

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

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

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