The word Avul is misspelled against Avail, a noun meaning "Proceeds; as, the avails of a sale by auction."
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Word contains consecutive vowels 'AI' in between alphabets av & l is misspelled as 'U'
Wrong Spelling:  av-u-l 
Correct Spelling:  av-ai-l 
Check more misspelled words of Avail to spell it correct.