Sucumbing or Succumbing: How To spell?
The word Sucumbing is misspelled against Succumbing, which is present continuous of "Succumb"
Succumbing has double "cc" is mispronounced as "c"Remember double 'CC' in between the strings Su & umbing which should not be misspelled with single 'C'
Wrong Spelling:  Su-c-umbing  Correct Spelling:  Su-cc-umbing 
Check more misspelled words of Succumbing to spell it correct.