Certaun or Certain: How To spell?

The word Certaun is misspelled against Certain, a noun meaning "A certain number or quantity."

Word contains consecutive vowels 'AI' in between alphabets cert & n is misspelled as 'AU'
Wrong Spelling:  cert-au-n 
Correct Spelling:  cert-ai-n 
Check more misspelled words of Certain to spell it correct.

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