rājaka

adjective (-˚) characteristic of the king, king-; in cpds arājaka without a king Ja.vi.39 (raṭṭhe); sarājaka including the king Tikp.26; f. sarājikā Vin.i.209 (parisā) Also in phrase anikkhanta-rājake (loc. abs.) when the king has not gone out Vin.iv.160.

rāja + ka, the ending belonging to the whole cpd.