Filed or Filled: How To spell?

The word Filed is misspelled against Filled, which is past tense of "Fill"

Filled has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings fi & ed which should not be misspelled with single 'L'
Wrong Spelling:  fi-l-ed 
Correct Spelling:  fi-ll-ed 
Find more wrongly spelled words of Filled to spell it well.