certainly vs to the hilt

certainly

adv
  • In a way which is certain; with certainty. 

  • An emphatic affirmative answer; of course. 

  • Without doubt, surely. 

to the hilt

prep
  • Completely, fully, to one's limit. 

How often have the words certainly and to the hilt occurred in a corpus of books? (source: Google Ngram Viewer )