Posibilities or Possibilities: How To spell?
The word Posibilities is misspelled against Possibilities, which is plural of "Possibility"
Possibilities has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings po & ibilities which should not be misspelled with single 'S'
Wrong Spelling:  po-s-ibilities  Correct Spelling:  po-ss-ibilities 
Find more incorrect spellings of Possibilities to spell right way.