The spelling of "Rigarion" can be explained using the International Phonetic Alphabet (IPA). "R" is pronounced as [ɹ], "i" as [ɪ], "g" as [ɡ], "a" as [ə], "r" as [ɹ], "i" as [ɪ], "o" as [oʊ], and "n" as [n]. The stress in the word falls on the second syllable, making it pronounced as ri-GAR-ee-ən. While the spelling of this word may appear unfamiliar, understanding its phonetic transcription can help ensure correct pronunciation.