The spelling of the name "Zillpha" is phonetically represented as /ˈzɪl.fə/. The first syllable is pronounced with a short "i" sound, while the second syllable has a schwa (ə) vowel sound. The double "l" in the name indicates that the "l" sound is prolonged. This spelling is a unique and rare variant of the name "Zilpah," which is found in the Old Testament. The pronunciation and spelling of this name may vary depending on cultural and regional differences.