decidedly vs eo ipso

decidedly

adv
  • In a decided or final manner; resolutely. 

  • In a manner which leaves little question; definitely, clearly. 

eo ipso

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

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