Melowed or Mellowed: How To spell?

The word Melowed is misspelled against Mellowed, which is past tense of "Mellow"

Mellowed has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings me & owed which should not be misspelled with single 'L'
Wrong Spelling:  me-l-owed 
Correct Spelling:  me-ll-owed 
Find more incorrect spellings of Mellowed to spell right way.