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