The spelling of the word "Idonia" is pronounced as /aɪˈdoʊniə/. It follows the standard English orthographic conventions, with the letter "i" representing the vowel sound /aɪ/ and the letter "o" representing the sound /oʊ/. The letter "d" represents the voiced dental stop /d/, followed by the letter "n" which stands for the voiced alveolar nasal sound /n/. Finally, the letter "i" is repeated, indicating that it is stressed. As an uncommon name, it may not be immediately recognizable to many.