The word Caroled is misspelled against Carolled, which is past tense of "Carol"
-->
Carolled has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings caro & ed which should not be misspelled with single 'L'
Wrong Spelling:  caro-l-ed 
Correct Spelling:  caro-ll-ed 
Find more incorrect spellings of Carolled to spell right way.