The word Droling is misspelled against Drooling, which is present continuous of "Drool"
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Drooling has double "oo" is mispronounced as "o"
Remember double 'OO' in between the strings dr & ling which should not be misspelled with single 'O'
Wrong Spelling:  dr-o-ling 
Correct Spelling:  dr-oo-ling 
Find more incorrect spellings of Drooling to spell right way.