Undersial or Undersail: How To spell?

The word Undersial is misspelled against Undersail, a verb meaning "To sail alongshore."

Word contains consecutive vowels 'AI' in between alphabets unders & l is misspelled as 'IA'
Wrong Spelling:  unders-ia-l 
Correct Spelling:  unders-ai-l 
Find more wrongly spelled words of Undersail to spell it well.

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