Castelan or Castellan: How To spell?

The word Castelan is misspelled against Castellan, a noun meaning "A governor or warden of a castle."

Castellan has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings caste & an which should not be misspelled with single 'L'
Wrong Spelling:  caste-l-an 
Correct Spelling:  caste-ll-an 
Explore spell check of Castellan to spell without errors.