The word Engruling is misspelled against Engrailing, which is present continuous of "Engrail"
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Word contains consecutive vowels 'AI' in between alphabets engr & ling is misspelled as 'U'
Wrong Spelling:  engr-u-ling 
Correct Spelling:  engr-ai-ling 
Check more misspelled words of Engrailing to spell it correct.