Check also 底
Names and idioms with total stroke of 14:
由海 海丘 芳利 右袂 我男
Names and idioms similar to 底だ:
底企 壕底 底河豚 日本海溝海底地震津波観測網 船底天井
Yojijukugo(idioms with 4 Kanji characters) including 底だ:
海底撈月 追根究底 方底円蓋
Idioms including 底だ:
底が浅い 底を突く 奈落の底