Declension table of ?pratyanantara

Neuter	Singular	Dual	Plural
Nominative	pratyanantaram	pratyanantare	pratyanantarāṇi
Vocative	pratyanantara	pratyanantare	pratyanantarāṇi
Accusative	pratyanantaram	pratyanantare	pratyanantarāṇi
Instrumental	pratyanantareṇa	pratyanantarābhyām	pratyanantaraiḥ
Dative	pratyanantarāya	pratyanantarābhyām	pratyanantarebhyaḥ
Ablative	pratyanantarāt	pratyanantarābhyām	pratyanantarebhyaḥ
Genitive	pratyanantarasya	pratyanantarayoḥ	pratyanantarāṇām
Locative	pratyanantare	pratyanantarayoḥ	pratyanantareṣu

Compound pratyanantara -

Adverb -pratyanantaram -pratyanantarāt