How to read: のっぺらぼう
Pronunciation: 
Names and idioms with total stroke of 22:
上村渠 上荷拵 吹罷 恋人気分 塩茶
Names and idioms similar to 滑面:
面忘れ 目面上 斜面崩壊 額面題 銀河面
Yojijukugo(idioms with 4 Kanji characters) including 滑面:
提耳面命 廷争面折 面折廷諍
Idioms including 滑面:
面の皮が厚い 面目を施す 半面の識