Oponency or Opponency: How To spell?
The word Oponency is misspelled against Opponency, a noun meaning "The act of opening an academical disputation; the proposition of objections to a tenet, as an exercise for a degree."
Opponency has double "pp" is mispronounced as "p"Remember double 'PP' in between the strings o & onency which should not be misspelled with single 'P'
Wrong Spelling:  o-p-onency  Correct Spelling:  o-pp-onency 
Find more incorrect spellings of Opponency to spell right way.