Declension table of ?prathanīya

Neuter	Singular	Dual	Plural
Nominative	prathanīyam	prathanīye	prathanīyāni
Vocative	prathanīya	prathanīye	prathanīyāni
Accusative	prathanīyam	prathanīye	prathanīyāni
Instrumental	prathanīyena	prathanīyābhyām	prathanīyaiḥ
Dative	prathanīyāya	prathanīyābhyām	prathanīyebhyaḥ
Ablative	prathanīyāt	prathanīyābhyām	prathanīyebhyaḥ
Genitive	prathanīyasya	prathanīyayoḥ	prathanīyānām
Locative	prathanīye	prathanīyayoḥ	prathanīyeṣu

Compound prathanīya -

Adverb -prathanīyam -prathanīyāt