Vili or Villi: How To spell?
The word Vili is misspelled against Villi, a noun meaning "pl. of Villus."
Villi has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings vi & i which should not be misspelled with single 'L'
Wrong Spelling:  vi-l-i  Correct Spelling:  vi-ll-i 
Find more wrongly spelled words of Villi to spell it well.