Permisive or Permissive: How To spell?
The word Permisive is misspelled against Permissive, an adjective meaning "Permitted; tolerated; suffered."
Permissive has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings permi & ive which should not be misspelled with single 'S'
Wrong Spelling:  permi-s-ive  Correct Spelling:  permi-ss-ive 
Find more wrongly spelled words of Permissive to spell it well.