The word "MUSPIN" is spelled with six letters: M-U-S-P-I-N. The pronunciation of this word is /ˈmʌspɪn/. The initial letter, "M," is pronounced as /m/. The following letters, "U" and "S," are pronounced as /ʌ/ and /s/ respectively. The letter "P" is pronounced as /p/, and the letter "I" is pronounced as /ɪ/. Lastly, the letter "N" is pronounced as /n/. Overall, "MUSPIN" is a concise and easily pronounced word with a unique spelling.