The word Cola is misspelled against Colla, which is plural of "Collum"
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Colla has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings co & a which should not be misspelled with single 'L'
Wrong Spelling:  co-l-a 
Correct Spelling:  co-ll-a 
Find more incorrect spellings of Colla to spell right way.