Bilbug or Billbug: How To spell?

The word Bilbug is misspelled against Billbug, a noun meaning "A weevil or curculio of various species, as the corn weevil. See Curculio."

Billbug has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings bi & bug which should not be misspelled with single 'L'
Wrong Spelling:  bi-l-bug 
Correct Spelling:  bi-ll-bug 
Check more misspelled words of Billbug to spell it correct.