Declension table of ?arhaka

Neuter	Singular	Dual	Plural
Nominative	arhakam	arhake	arhakāṇi
Vocative	arhaka	arhake	arhakāṇi
Accusative	arhakam	arhake	arhakāṇi
Instrumental	arhakeṇa	arhakābhyām	arhakaiḥ
Dative	arhakāya	arhakābhyām	arhakebhyaḥ
Ablative	arhakāt	arhakābhyām	arhakebhyaḥ
Genitive	arhakasya	arhakayoḥ	arhakāṇām
Locative	arhake	arhakayoḥ	arhakeṣu

Compound arhaka -

Adverb -arhakam -arhakāt