Sigila or Sigilla: How To spell?

The word Sigila is misspelled against Sigilla, which is plural of "Sigillum"

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