Paravol or Paravail: How To spell?

The word Paravol is misspelled against Paravail, an adjective meaning "At the bottom; lowest."

Word contains consecutive vowels 'AI' in between alphabets parav & l is misspelled as 'O'
Wrong Spelling:  parav-o-l 
Correct Spelling:  parav-ai-l 
Find more incorrect spellings of Paravail to spell right way.

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