Apolyon or Apollyon: How To spell?
The word Apolyon is misspelled against Apollyon, a noun meaning "The Destroyer; -- a name used (Rev. ix. 11) for the angel of the bottomless pit, answering to the Hebrew Abaddon."
Apollyon has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings apo & yon which should not be misspelled with single 'L'
Wrong Spelling:  apo-l-yon  Correct Spelling:  apo-ll-yon 
Find more incorrect spellings of Apollyon to spell right way.