The word "SARREGIONAL" can be spelled using the International Phonetic Alphabet (IPA) as /sɑːrɛdʒənl/. The accent mark over the "a" indicates a long vowel sound, while the "r" sound is pronounced with the tongue curled back. The "dʒ" represents a "j" sound, like in the word "juice". The spelling of "SARREGIONAL" may be difficult to remember at first, but familiarity with IPA can help in understanding the sound and pronunciation of unfamiliar words.