Tranquilizing or Tranquillizing: How To spell?
The word Tranquilizing is misspelled against Tranquillizing, an adjective meaning "Making tranquil; calming."
Tranquillizing has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings tranqui & izing which should not be misspelled with single 'L'
Wrong Spelling:  tranqui-l-izing  Correct Spelling:  tranqui-ll-izing 
Check more misspelled words of Tranquillizing to spell it correct.