How to read: せの
Pronunciation: 
Same names and idioms in reading:
瀬の 勢之 施野 瀬野 背野
Names and idioms with total stroke of 18:
寿都 歯列 自制心 吏道 全裂
Names and idioms similar to 脊延:
延棒 円延 脊戸柳 脊広 脳脊髄液
Yojijukugo(idioms with 4 Kanji characters) including 脊延:
延頸鶴望 無期延期 息災延命