Undersaol or Undersail: How To spell?

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

Word contains consecutive vowels 'AI' in between alphabets unders & l is misspelled as 'AO'
Wrong Spelling:  unders-ao-l 
Correct Spelling:  unders-ai-l 
Find more incorrect spellings of Undersail to spell right way.

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