Declension table of ?nirupādāna

Masculine	Singular	Dual	Plural
Nominative	nirupādānaḥ	nirupādānau	nirupādānāḥ
Vocative	nirupādāna	nirupādānau	nirupādānāḥ
Accusative	nirupādānam	nirupādānau	nirupādānān
Instrumental	nirupādānena	nirupādānābhyām	nirupādānaiḥ nirupādānebhiḥ
Dative	nirupādānāya	nirupādānābhyām	nirupādānebhyaḥ
Ablative	nirupādānāt	nirupādānābhyām	nirupādānebhyaḥ
Genitive	nirupādānasya	nirupādānayoḥ	nirupādānānām
Locative	nirupādāne	nirupādānayoḥ	nirupādāneṣu

Compound nirupādāna -

Adverb -nirupādānam -nirupādānāt