Quarreled or Quarrelled: How To spell?
The word Quarreled is misspelled against Quarrelled, which is past tense of "Quarrel"
Quarrelled has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings quarre & ed which should not be misspelled with single 'L'
Wrong Spelling:  quarre-l-ed  Correct Spelling:  quarre-ll-ed 
Check more misspelled words of Quarrelled to spell it correct.