The spelling of the word "Cerrial" is incorrect. It should be spelled as "Cereal" which is pronounced as /ˈsɪərɪəl/. The IPA phonetic transcription shows that the word has two syllables with the stress on the first syllable. The first syllable is pronounced as "sɪər" with the vowel sound of "i" followed by a schwa sound. The second syllable is pronounced as "ɪəl" with the vowel sound of "i" and a dipthong sound of "əl". Therefore, the correct spelling is important to correctly pronounce and understand the meaning of the word.