Opugner or Oppugner: How To spell?
The word Opugner is misspelled against Oppugner, a noun meaning "One who opposes or attacks; that which opposes."
Oppugner has double "pp" is mispronounced as "p"Remember double 'PP' in between the strings o & ugner which should not be misspelled with single 'P'
Wrong Spelling:  o-p-ugner  Correct Spelling:  o-pp-ugner 
Check more misspelled words of Oppugner to spell it correct.