Ventol or Ventail: How To spell?

The word Ventol is misspelled against Ventail, a noun meaning "That part of a helmet which is intended for the admission of air, -- sometimes in the visor."

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

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