The word Humbuging is misspelled against Humbugging, which is present continuous of "Humbug"
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Humbugging has double "gg" is mispronounced as "g"
Remember double 'GG' in between the strings humbu & ing which should not be misspelled with single 'G'
Wrong Spelling:  humbu-g-ing 
Correct Spelling:  humbu-gg-ing 
Check more misspelled words of Humbugging to spell it correct.