Fibrila or Fibrilla: How To spell?

The word Fibrila is misspelled against Fibrilla, a noun meaning "A minute thread of fiber, as one of the fibrous elements of a muscular fiber; a fibril."

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