"Parricidious" is a seldom-used and complex word that describes a person who commits the act of killing their own parent. The spelling of this word can be broken down using IPA phonetic transcription as /pæɹɪsɪdiəs/. The word begins with the phoneme /p/, followed by the schwa sound /æ/. Next is the r-controlled vowel /ɪr/ and the sibilant /s/. The word ends with the diphthong /iəs/. Despite its rarity, the accurate spelling of this word is important for scholars and legal professionals studying matricide and patricide.