certifiably vs indeedy-doody

certifiably

adv

  • Genuinely 

  • With the potential for certification. 

  • To a great extent. 

  • Undoubtedly, demonstrably. 

indeedy-doody

adv

  • Indeed. 

How often have the words certifiably and indeedy-doody occurred in a corpus of books? (source: Google Ngram Viewer )