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