Shelproof or Shellproof: How To spell?

The word Shelproof is misspelled against Shellproof, an adjective meaning "Capable of resisting bombs or other shells; bombproof."

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