Mervaulle or Mervaille: How To spell?

The word Mervaulle is misspelled against Mervaille, a noun meaning "Marvel."

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

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