Pasivity or Passivity: How To spell?
The word Pasivity is misspelled against Passivity, a noun meaning "Passiveness; -- opposed to activity."
Passivity has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings pa & ivity which should not be misspelled with single 'S'
Wrong Spelling:  pa-s-ivity  Correct Spelling:  pa-ss-ivity 
Find more wrongly spelled words of Passivity to spell it well.