Declension table of ?pratyavakarśana

Masculine	Singular	Dual	Plural
Nominative	pratyavakarśanaḥ	pratyavakarśanau	pratyavakarśanāḥ
Vocative	pratyavakarśana	pratyavakarśanau	pratyavakarśanāḥ
Accusative	pratyavakarśanam	pratyavakarśanau	pratyavakarśanān
Instrumental	pratyavakarśanena	pratyavakarśanābhyām	pratyavakarśanaiḥ pratyavakarśanebhiḥ
Dative	pratyavakarśanāya	pratyavakarśanābhyām	pratyavakarśanebhyaḥ
Ablative	pratyavakarśanāt	pratyavakarśanābhyām	pratyavakarśanebhyaḥ
Genitive	pratyavakarśanasya	pratyavakarśanayoḥ	pratyavakarśanānām
Locative	pratyavakarśane	pratyavakarśanayoḥ	pratyavakarśaneṣu

Compound pratyavakarśana -

Adverb -pratyavakarśanam -pratyavakarśanāt