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