致死 ちし性 せい家族 かぞく性 せい不眠 ふみん症 しょうです chi shiseika zokuseifumin shōdesu 敬 敬 Written Form Kana Romaji IPA Pronunciation English Pronunciation Open Menu Search Add to collection Add to collection... Entry Info... Help Help Meanings Pronunciation Comments Noun , Desu Copula The polite form of 致死性家族性不眠症 1. Fatal familial insomnia. Polite , Medicine Word Pronunciation Help 文 文 DefaultA Romaji[ə] IPAŔ Englishあ Hiraganaア Katakana No variants available for this word. Sign in or join to leave a comment. No discussion yet. Share what you know about this word. Delete Comment ✕ Are you sure you want to delete this comment? This action cannot be undone. Cancel Delete