輝煌帝[kikoutei] poetic word for the sun
皇帝[koutei] emperor
時の帝[tokinomikado] emperor of the time
女帝[jotei] empress
上帝[joutei] Shangti

先帝[sentei] the late emperor
帝位[teii] the throne
帝威[teii] imperial majesty
帝王[teiou] sovereign