Engreuling or Engrailing: How To spell?

The word Engreuling is misspelled against Engrailing, which is present continuous of "Engrail"

Word contains consecutive vowels 'AI' in between alphabets engr & ling is misspelled as 'EU'
Wrong Spelling:  engr-eu-ling 
Correct Spelling:  engr-ai-ling 
Check more misspelled words of Engrailing to spell it correct.

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