Mudling or Muddling: How To spell?
The word Mudling is misspelled against Muddling, which is present continuous of "Muddle"
Muddling has double "dd" is mispronounced as "d"Remember double 'DD' in between the strings Mu & ling which should not be misspelled with single 'D'
Wrong Spelling:  Mu-d-ling  Correct Spelling:  Mu-dd-ling 
Check more misspelled words of Muddling to spell it correct.