The word Gulying is misspelled against Gullying, which is present continuous of "Gully"
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Gullying has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings gu & ying which should not be misspelled with single 'L'
Wrong Spelling:  gu-l-ying 
Correct Spelling:  gu-ll-ying 
Check more misspelled words of Gullying to spell it correct.