Celi or Celli: How To spell?

The word Celi is misspelled against Celli, which is plural of "Cello"

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