The word "yatobyo" is commonly misspelled as "yatobyu" due to the presence of the vowel "o" in the second syllable. However, the correct spelling is "yatobyo" pronounced as /jaːto bjɔː/. The first syllable is pronounced as "ya" with a long "a" sound followed by "to" and "byo" pronounced as "byo" with an elongated "o" sound. The word is a Japanese term for sickness or diseases caused by supernatural forces or spirits.