Declension table of ?anarthāna

Neuter	Singular	Dual	Plural
Nominative	anarthānam	anarthāne	anarthānāni
Vocative	anarthāna	anarthāne	anarthānāni
Accusative	anarthānam	anarthāne	anarthānāni
Instrumental	anarthānena	anarthānābhyām	anarthānaiḥ
Dative	anarthānāya	anarthānābhyām	anarthānebhyaḥ
Ablative	anarthānāt	anarthānābhyām	anarthānebhyaḥ
Genitive	anarthānasya	anarthānayoḥ	anarthānānām
Locative	anarthāne	anarthānayoḥ	anarthāneṣu

Compound anarthāna -

Adverb -anarthānam -anarthānāt