Rideaa or Rideau: How To spell?

The word Rideaa is misspelled against Rideau, a noun meaning "A small mound of earth; ground slightly elevated; a small ridge."

Word ends with consecutive vowels 'AU' preceded by alphabets 'ride' is misspelled as 'AA'
Wrong Spelling:  ride-aa 
Correct Spelling:  ride-au 
Find more wrongly spelled words of Rideau to spell it well.

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