The word Raveling is misspelled against Ravelling, which is present continuous of "Ravel"
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Ravelling has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings rave & ing which should not be misspelled with single 'L'
Wrong Spelling: rave-l-ing
Correct Spelling: rave-ll-ing
Find more wrongly spelled words of Ravelling to spell it well.