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