Peternella is a rare first name that can be spelled in a few different ways, including Pethernella and Peterneila. In IPA phonetic transcription, it's pronounced /pətɛrnɛlə/. The "e" at the end of the name is pronounced like the letter "a" in "sofa," and the stress is on the second syllable. The "rn" combination is pronounced as a single sound, like in "learn." Despite its infrequent usage, Peternella is a lovely and unique name for a baby girl.