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