The word Butermen is misspelled against Buttermen, which is plural of "Butterman"
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Buttermen has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings bu & ermen which should not be misspelled with single 'T'
Wrong Spelling:  bu-t-ermen 
Correct Spelling:  bu-tt-ermen 
Check more misspelled words of Buttermen to spell it correct.