The word "Plenicorn" is spelled as /ˈplɛnɪkɔːn/. It is spelled this way because it follows English phonetic rules. The "pl" at the beginning of the word is pronounced as a blend. The "e" is pronounced as the short "e" sound. The following "ni" is pronounced with a short "i" sound, and the "c" is pronounced as a hard "k" sound. Lastly, the word ends with "orn," which is pronounced with an "or" and "n" sound. Overall, the spelling of "Plenicorn" is straightforward and easy to understand with the help of IPA phonetic transcription.