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