Fibrilae or Fibrillae: How To spell?

The word Fibrilae is misspelled against Fibrillae, which is plural of "Fibrilla"

Fibrillae has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings fibri & ae which should not be misspelled with single 'L'
Wrong Spelling:  fibri-l-ae 
Correct Spelling:  fibri-ll-ae 
Find more wrongly spelled words of Fibrillae to spell it well.