The word "Stillion" is typically spelled with a "t" in the middle, rather than a "d" or "s." The pronunciation of this word can be broken down using IPA phonetic transcription as /ˈstɪliən/. The initial "s" sound is followed by a "t" sound, represented by the "t" in the middle of the word. The last syllable is pronounced with a short "i" sound followed by a schwa sound, represented by the upside-down "e." So, the spelling of "Stillion" accurately reflects its pronunciation.