御盆[obon] O-Bon
丸盆[marubon] round tray
旧盆[kyuubon] Bon Festival of the lunar calendar
覆水盆に帰らず[fukusuibonnikaerazu] what's done is done (lit: spilt water won't go back into its tray)
盆画[bonga] tray landscape

盆景[bonkei] miniature garden
盆栽[bonsai] bonsai
盆祭り[bonmatsuri] Bon Festival
盆石[bonseki] tray-landscape foundation stone