Declension table of ?paratastva

Neuter	Singular	Dual	Plural
Nominative	paratastvam	paratastve	paratastvāni
Vocative	paratastva	paratastve	paratastvāni
Accusative	paratastvam	paratastve	paratastvāni
Instrumental	paratastvena	paratastvābhyām	paratastvaiḥ
Dative	paratastvāya	paratastvābhyām	paratastvebhyaḥ
Ablative	paratastvāt	paratastvābhyām	paratastvebhyaḥ
Genitive	paratastvasya	paratastvayoḥ	paratastvānām
Locative	paratastve	paratastvayoḥ	paratastveṣu

Compound paratastva -

Adverb -paratastvam -paratastvāt