The word Butered is misspelled against Buttered, which is past tense of "Butter"
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Buttered has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings bu & ered which should not be misspelled with single 'T'
Wrong Spelling:  bu-t-ered 
Correct Spelling:  bu-tt-ered 
Check more misspelled words of Buttered to spell it correct.