The spelling of the word "bauza" can be explained using the International Phonetic Alphabet (IPA). The first two letters, "bau," are pronounced as [baʊ], with the "a" sounding like the "ow" in "cow." The last two letters, "za," are pronounced as [za], with the "z" sounding like the "z" in "zebra." Therefore, the overall pronunciation of "bauza" is [baʊza]. However, it is worth noting that "bauza" does not appear to be a commonly used word or have a distinct meaning in English.