Check also 啓
Names and idioms with total stroke of 18:
足寄 抜けがけ 秋泉 昭為 押っ付ける
Names and idioms similar to 啓壱:
壱分町 啓依 壱人 蛍壱 壱反田
Celebrity names including 啓壱:
岡田啓壱  
Yojijukugo(idioms with 4 Kanji characters) including 啓壱:
一筆啓上 啓沃之功 承前啓後