Certeunly or Certainly: How To spell?
The word Certeunly is misspelled against Certainly, an adverb meaning "Without doubt or question; unquestionably."
Word contains consecutive vowels 'AI' in between alphabets cert & nly is misspelled as 'EU'Wrong Spelling:  cert-eu-nly  Correct Spelling:  cert-ai-nly 
Check more misspelled words of Certainly to spell it correct.