Bilhook or Billhook: How To spell?

The word Bilhook is misspelled against Billhook, a noun meaning "A thick, heavy knife with a hooked point, used in pruning hedges, etc. When it has a short handle, it is sometimes called a hand bill; when the handle is long, a hedge bill or scimiter."

Billhook has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings bi & hook which should not be misspelled with single 'L'
Wrong Spelling:  bi-l-hook 
Correct Spelling:  bi-ll-hook 
Find more incorrect spellings of Billhook to spell right way.