The word Depening is misspelled against Deepening, which is present continuous of "Deepen"
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Deepening has double "ee" is mispronounced as "e"
Remember double 'EE' in between the strings D & pening which should not be misspelled with single 'E'
Wrong Spelling: D-e-pening
Correct Spelling: D-ee-pening
Find more wrongly spelled words of Deepening to spell it well.