Declension table of ?anarthāna

Masculine	Singular	Dual	Plural
Nominative	anarthānaḥ	anarthānau	anarthānāḥ
Vocative	anarthāna	anarthānau	anarthānāḥ
Accusative	anarthānam	anarthānau	anarthānān
Instrumental	anarthānena	anarthānābhyām	anarthānaiḥ anarthānebhiḥ
Dative	anarthānāya	anarthānābhyām	anarthānebhyaḥ
Ablative	anarthānāt	anarthānābhyām	anarthānebhyaḥ
Genitive	anarthānasya	anarthānayoḥ	anarthānānām
Locative	anarthāne	anarthānayoḥ	anarthāneṣu

Compound anarthāna -

Adverb -anarthānam -anarthānāt