Deopilative or Deoppilative: How To spell?
The word Deopilative is misspelled against Deoppilative, an adjective meaning "Deobstruent; aperient."
Deoppilative has double "pp" is mispronounced as "p"Remember double 'PP' in between the strings deo & ilative which should not be misspelled with single 'P'
Wrong Spelling:  deo-p-ilative  Correct Spelling:  deo-pp-ilative 
Find more incorrect spellings of Deoppilative to spell right way.