The word Betering is misspelled against Bettering, which is present continuous of "Better"
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Bettering has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings be & ering which should not be misspelled with single 'T'
Wrong Spelling: be-t-ering
Correct Spelling: be-tt-ering
Find more wrongly spelled words of Bettering to spell it well.