Declension table of ?arhaka

Masculine	Singular	Dual	Plural
Nominative	arhakaḥ	arhakau	arhakāḥ
Vocative	arhaka	arhakau	arhakāḥ
Accusative	arhakam	arhakau	arhakān
Instrumental	arhakeṇa	arhakābhyām	arhakaiḥ arhakebhiḥ
Dative	arhakāya	arhakābhyām	arhakebhyaḥ
Ablative	arhakāt	arhakābhyām	arhakebhyaḥ
Genitive	arhakasya	arhakayoḥ	arhakāṇām
Locative	arhake	arhakayoḥ	arhakeṣu

Compound arhaka -

Adverb -arhakam -arhakāt