Incertein or Incertain: How To spell?

The word Incertein is misspelled against Incertain, a noun meaning "Uncertain; doubtful; unsteady."

Word contains consecutive vowels 'AI' in between alphabets incert & n is misspelled as 'EI'
Wrong Spelling:  incert-ei-n 
Correct Spelling:  incert-ai-n 
Find more wrongly spelled words of Incertain to spell it well.

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