Declension table of nirarthaka

Neuter	Singular	Dual	Plural
Nominative	nirarthakam	nirarthake	nirarthakāni
Vocative	nirarthaka	nirarthake	nirarthakāni
Accusative	nirarthakam	nirarthake	nirarthakāni
Instrumental	nirarthakena	nirarthakābhyām	nirarthakaiḥ
Dative	nirarthakāya	nirarthakābhyām	nirarthakebhyaḥ
Ablative	nirarthakāt	nirarthakābhyām	nirarthakebhyaḥ
Genitive	nirarthakasya	nirarthakayoḥ	nirarthakānām
Locative	nirarthake	nirarthakayoḥ	nirarthakeṣu

Compound nirarthaka -

Adverb -nirarthakam -nirarthakāt