Engrolment or Engrailment: How To spell?

The word Engrolment is misspelled against Engrailment, a noun meaning "Indentation in curved lines, as of a line of division or the edge of an ordinary."

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

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