certifiably vs for realsies

certifiably

adv

  • Genuinely 

  • With the potential for certification. 

  • To a great extent. 

  • Undoubtedly, demonstrably. 

for realsies

adv

  • Truly, genuinely, actually. 

adj

  • True, genuine, real. 

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