Declension table of ?pradhānatva

Neuter	Singular	Dual	Plural
Nominative	pradhānatvam	pradhānatve	pradhānatvāni
Vocative	pradhānatva	pradhānatve	pradhānatvāni
Accusative	pradhānatvam	pradhānatve	pradhānatvāni
Instrumental	pradhānatvena	pradhānatvābhyām	pradhānatvaiḥ
Dative	pradhānatvāya	pradhānatvābhyām	pradhānatvebhyaḥ
Ablative	pradhānatvāt	pradhānatvābhyām	pradhānatvebhyaḥ
Genitive	pradhānatvasya	pradhānatvayoḥ	pradhānatvānām
Locative	pradhānatve	pradhānatvayoḥ	pradhānatveṣu

Compound pradhānatva -

Adverb -pradhānatvam -pradhānatvāt