Declension table of ?nirupapada

Neuter	Singular	Dual	Plural
Nominative	nirupapadam	nirupapade	nirupapadāni
Vocative	nirupapada	nirupapade	nirupapadāni
Accusative	nirupapadam	nirupapade	nirupapadāni
Instrumental	nirupapadena	nirupapadābhyām	nirupapadaiḥ
Dative	nirupapadāya	nirupapadābhyām	nirupapadebhyaḥ
Ablative	nirupapadāt	nirupapadābhyām	nirupapadebhyaḥ
Genitive	nirupapadasya	nirupapadayoḥ	nirupapadānām
Locative	nirupapade	nirupapadayoḥ	nirupapadeṣu

Compound nirupapada -

Adverb -nirupapadam -nirupapadāt