Permisible or Permissible: How To spell?
The word Permisible is misspelled against Permissible, an adjective meaning "That may be permitted; allowable; admissible."
Permissible has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings permi & ible which should not be misspelled with single 'S'
Wrong Spelling:  permi-s-ible  Correct Spelling:  permi-ss-ible 
Find more wrongly spelled words of Permissible to spell it well.