Leveled or Levelled: How To spell?

The word Leveled is misspelled against Levelled, which is past tense of "Level"

Levelled has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings leve & ed which should not be misspelled with single 'L'
Wrong Spelling:  leve-l-ed 
Correct Spelling:  leve-ll-ed 
Explore spell check of Levelled to spell without errors.