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