Colating or Collating: How To spell?

The word Colating is misspelled against Collating, which is present continuous of "Collate"

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