The word Sigilum is misspelled against Sigillum, a noun meaning "A seal."
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Sigillum has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings sigi & um which should not be misspelled with single 'L'
Wrong Spelling: sigi-l-um
Correct Spelling: sigi-ll-um
Check more misspelled words of Sigillum to spell it correct.