See also: ふたい, ふだい, and ぶだい

Japanese edit

For pronunciation and definitions of ぶたい – see the following entries.
舞台
[noun] (theater) stage
[noun] setting of a story
部隊
[noun] (military) a military unit
[noun] (military) a corp
(This term, ぶたい, is the hiragana spelling of the above terms.)