Jonquile or Jonquille: How To spell?
The word Jonquile is misspelled against Jonquille, a noun meaning "A bulbous plant of the genus Narcissus (N. Jonquilla), allied to the daffodil. It has long, rushlike leaves, and yellow or white fragrant flowers. The root has emetic properties. It is sometimes called the rush-leaved daffodil. See Illust. of Corona."
Jonquille has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings jonqui & e which should not be misspelled with single 'L'
Wrong Spelling:  jonqui-l-e  Correct Spelling:  jonqui-ll-e 
Check more misspelled words of Jonquille to spell it correct.