Declension table of ?sudinatva

Neuter	Singular	Dual	Plural
Nominative	sudinatvam	sudinatve	sudinatvāni
Vocative	sudinatva	sudinatve	sudinatvāni
Accusative	sudinatvam	sudinatve	sudinatvāni
Instrumental	sudinatvena	sudinatvābhyām	sudinatvaiḥ
Dative	sudinatvāya	sudinatvābhyām	sudinatvebhyaḥ
Ablative	sudinatvāt	sudinatvābhyām	sudinatvebhyaḥ
Genitive	sudinatvasya	sudinatvayoḥ	sudinatvānām
Locative	sudinatve	sudinatvayoḥ	sudinatveṣu

Compound sudinatva -

Adverb -sudinatvam -sudinatvāt