Guzling or Guzzling: How To spell?
The word Guzling is misspelled against Guzzling, which is present continuous of "Guzzle"
Guzzling has double "zz" is mispronounced as "z"Remember double 'ZZ' in between the strings gu & ling which should not be misspelled with single 'Z'
Wrong Spelling:  gu-z-ling  Correct Spelling:  gu-zz-ling 
Check more misspelled words of Guzzling to spell it correct.