The spelling of the word "Naphuride" can be explained using the International Phonetic Alphabet (IPA). The first syllable "Naph" is pronounced as /næf/, with the "a" sounding like "cat" and "ph" representing the "f" sound. The second syllable "u" is pronounced as /ju:/, with the "u" sounding like "cue" and the colon indicating a slightly longer pronunciation. The final syllable "ride" is pronounced as /raɪd/, with the "i" sounding like "pie" and the "e" representing the "d" sound. Together, the word is pronounced as /næfju:raɪd/.