The spelling of the word "Nistelrooy" can be quite confusing, but it is actually quite simple once you take a closer look. The pronunciation of this word can be broken down using the International Phonetic Alphabet (IPA) as /ˈnɪstəlrɔɪ/. This means that the first syllable, "Nis," is pronounced like "miss" without the "m" sound, while the second syllable, "tel," is pronounced like "tell." The final syllable, "rooy," is pronounced like "roy" in "royal." Together, the correct pronunciation sounds like "NIS-tuhl-roy."