Declension table of ?pratisavya

Masculine	Singular	Dual	Plural
Nominative	pratisavyaḥ	pratisavyau	pratisavyāḥ
Vocative	pratisavya	pratisavyau	pratisavyāḥ
Accusative	pratisavyam	pratisavyau	pratisavyān
Instrumental	pratisavyena	pratisavyābhyām	pratisavyaiḥ pratisavyebhiḥ
Dative	pratisavyāya	pratisavyābhyām	pratisavyebhyaḥ
Ablative	pratisavyāt	pratisavyābhyām	pratisavyebhyaḥ
Genitive	pratisavyasya	pratisavyayoḥ	pratisavyānām
Locative	pratisavye	pratisavyayoḥ	pratisavyeṣu

Compound pratisavya -

Adverb -pratisavyam -pratisavyāt