"Jahnessa" is spelled with a "j" followed by the letters "a," "h," "n," "e," "s," and "s," and then ending with a final "a." The IPA phonetic transcription for this word is ˌdʒɑːnɛsə. The "j" indicates the /dʒ/ sound, while the long "a" sounds are marked with /ɑː/. The "s" sounds are pronounced as /s/, and the final "ə" indicates a schwa sound. Despite its unique spelling, "Jahnessa" is not a commonly used word, and its meaning is not clear.