See Embassy, the usual spelling.
An embassy. n
he acquired three wives and fourteen children during his Portuguese embassy alone"
attache of an embassy
[法] 使馆专员
embassy document
[经] 使馆文件
go on an embassy
v. 去做大使
open an embassy
[法] 开设大使馆
ranking member of the embassy
[法] 大使馆的高级官员
special embassy
[法] 特别使团, 特使