Labelum or Labellum: How To spell?
The word Labelum is misspelled against Labellum, a noun meaning "A small appendage beneath the upper lip or labrum of certain insects."
Labellum has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings labe & um which should not be misspelled with single 'L'
Wrong Spelling:  labe-l-um  Correct Spelling:  labe-ll-um 
Check more misspelled words of Labellum to spell it correct.