Supletories or Suppletories: How To spell?
The word Supletories is misspelled against Suppletories, which is plural of "Suppletory"
Suppletories has double "pp" is mispronounced as "p"Remember double 'PP' in between the strings su & letories which should not be misspelled with single 'P'
Wrong Spelling:  su-p-letories  Correct Spelling:  su-pp-letories 
Check more misspelled words of Suppletories to spell it correct.