Postilation or Postillation: How To spell?
The word Postilation is misspelled against Postillation, a noun meaning "The act of postillating; exposition of Scripture in preaching."
Postillation has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings posti & ation which should not be misspelled with single 'L'
Wrong Spelling:  posti-l-ation  Correct Spelling:  posti-ll-ation 
Find more incorrect spellings of Postillation to spell right way.