eo ipso vs ergo

eo ipso

adv
  • Through or by that very act or quality; thereby. Compare: ipso facto. 

ergo

adv
  • Consequently, therefore, or thus. 

conj
  • therefore (especially in syllogisms) 

noun
  • An ergonomic factor or characteristic. 

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