Tranquilization or Tranquillization: How To spell?

The word Tranquilization is misspelled against Tranquillization, a noun meaning "The act of tranquilizing, or the state of being tranquilized."

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