The word Twadling is misspelled against Twaddling, an adjective meaning "from Twaddle, v."
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Twaddling has double "dd" is mispronounced as "d"
Remember double 'DD' in between the strings Twa & ling which should not be misspelled with single 'D'
Wrong Spelling:  Twa-d-ling 
Correct Spelling:  Twa-dd-ling 
Find more wrongly spelled words of Twaddling to spell it well.