Papilae or Papillae: How To spell?
The word Papilae is misspelled against Papillae, which is plural of "Papilla"
Papillae has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings papi & ae which should not be misspelled with single 'L'
Wrong Spelling:  papi-l-ae  Correct Spelling:  papi-ll-ae 
Find more wrongly spelled words of Papillae to spell it well.