The word Mumifying is misspelled against Mummifying, which is present continuous of "Mummify"
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Mummifying has double "mm" is mispronounced as "m"
Remember double 'MM' in between the strings mu & ifying which should not be misspelled with single 'M'
Wrong Spelling: mu-m-ifying
Correct Spelling: mu-mm-ifying
Check more misspelled words of Mummifying to spell it correct.