Tranquilize or Tranquillize: How To spell?

The word Tranquilize is misspelled against Tranquillize, a verb meaning "To render tranquil; to allay when agitated; to compose; to make calm and peaceful; as, to tranquilize a state disturbed by factions or civil commotions; to tranquilize the mind."

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