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