Siston is a word with an unusual spelling. It is pronounced as /ˈsɪstən/ (sis-tuhn). The first syllable is pronounced with a short "i" sound, while the second syllable is pronounced with a "schwa" sound. There are a few possible explanations for this spelling. It could be a variant of the more common word "system", or it could have originated from a regional dialect with different pronunciation rules. Regardless of its origin, the spelling of Siston may be a challenge for those unfamiliar with its pronunciation.