Declension table of ?pratyavara

Masculine	Singular	Dual	Plural
Nominative	pratyavaraḥ	pratyavarau	pratyavarāḥ
Vocative	pratyavara	pratyavarau	pratyavarāḥ
Accusative	pratyavaram	pratyavarau	pratyavarān
Instrumental	pratyavareṇa	pratyavarābhyām	pratyavaraiḥ pratyavarebhiḥ
Dative	pratyavarāya	pratyavarābhyām	pratyavarebhyaḥ
Ablative	pratyavarāt	pratyavarābhyām	pratyavarebhyaḥ
Genitive	pratyavarasya	pratyavarayoḥ	pratyavarāṇām
Locative	pratyavare	pratyavarayoḥ	pratyavareṣu

Compound pratyavara -

Adverb -pratyavaram -pratyavarāt