certainly vs rightward

certainly

adv
  • An emphatic affirmative answer; of course. 

  • In a way which is certain; with certainty. 

  • Without doubt, surely. 

rightward

adv
  • To or from the right. 

adj
  • To or from the right. 

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