The word Proling is misspelled against Prolling, which is present continuous of "Proll"
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Prolling has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings pro & ing which should not be misspelled with single 'L'
Wrong Spelling: pro-l-ing
Correct Spelling: pro-ll-ing
Find more incorrect spellings of Prolling to spell right way.