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