as a result vs ergo

as a result

prep
  • Consequently; thus; therefore; hence. 

ergo

adv
  • Consequently, therefore, or thus. 

noun
  • An ergonomic factor or characteristic. 

conj
  • therefore (especially in syllogisms) 

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