The spelling of the word "PALFRIDUS" can be explained using the IPA phonetic transcription. The first syllable "PALF" is pronounced with a short "a" sound, as in the word "pal." The second syllable "RI" is pronounced with a long "e" sound, as in the word "be." The final syllable "DUS" is pronounced with a short "u" sound, as in the word "hut." Therefore, the correct spelling of the word is "PALFRIDUS," with emphasis on the second syllable. It is important to use correct spelling when communicating in writing to avoid misunderstandings.