Declension table of anarthaka

Masculine	Singular	Dual	Plural
Nominative	anarthakaḥ	anarthakau	anarthakāḥ
Vocative	anarthaka	anarthakau	anarthakāḥ
Accusative	anarthakam	anarthakau	anarthakān
Instrumental	anarthakena	anarthakābhyām	anarthakaiḥ anarthakebhiḥ
Dative	anarthakāya	anarthakābhyām	anarthakebhyaḥ
Ablative	anarthakāt	anarthakābhyām	anarthakebhyaḥ
Genitive	anarthakasya	anarthakayoḥ	anarthakānām
Locative	anarthake	anarthakayoḥ	anarthakeṣu

Compound anarthaka -

Adverb -anarthakam -anarthakāt