The spelling of the word "Joncie" can be explained through the use of the International Phonetic Alphabet (IPA). The pronunciation of this word is /ˈdʒɒnsiː/. The "j" sound represents the /dʒ/ sound, followed by the "o" sound which is pronounced as /ɒ/. The letter "n" is pronounced as /n/, followed by the "c" sound which represents the /s/ sound. Finally, the letter "i" is pronounced as /iː/. Therefore, the spelling of "Joncie" accurately represents its pronunciation as /ˈdʒɒnsiː/.