The spelling of the name Jenneil can be explained using the International Phonetic Alphabet (IPA). The first syllable "Jen" is pronounced with the "dʒ" sound, like "gem". The second syllable "neil" is pronounced with a long "e" sound, like "heel". Therefore, the phonetic transcription of Jenneil is /dʒɛn.iːl/. While the origin of the name Jenneil is unclear, it is a unique and modern name that is becoming increasingly popular for baby girls in the United States.