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