Regreting or Regretting: How To spell?

The word Regreting is misspelled against Regretting, which is present continuous of "Regret"

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.