The word Numskuled is misspelled against Numskulled, an adjective meaning "Stupid; doltish."
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Numskulled has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings numsku & ed which should not be misspelled with single 'L'
Wrong Spelling:  numsku-l-ed 
Correct Spelling:  numsku-ll-ed 
Check more misspelled words of Numskulled to spell it correct.