How to read: のっぺらぼう
Pronunciation: 
Names and idioms with total stroke of 22:
舩嵜 幡坂 石英砂 宗臺 岡蔦
Names and idioms similar to 滑面:
面容 人面白 反對面 對面 面形天蛾
Yojijukugo(idioms with 4 Kanji characters) including 滑面:
讒諂面諛 鵠面鳥形 半面之識
Idioms including 滑面:
口が滑る 面目を失う 矢面に立つ