Qualed or Qualled: How To spell?

The word Qualed is misspelled against Qualled, which is past tense of "Quail"

Qualled has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings qua & ed which should not be misspelled with single 'L'
Wrong Spelling:  qua-l-ed 
Correct Spelling:  qua-ll-ed 
Check more misspelled words of Qualled to spell it correct.