Portculis or Portcullis: How To spell?

The word Portculis is misspelled against Portcullis, a noun meaning "A grating of iron or of timbers pointed with iron, hung over the gateway of a fortress, to be let down to prevent the entrance of an enemy."

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