Declension table of pratarkya

Masculine	Singular	Dual	Plural
Nominative	pratarkyaḥ	pratarkyau	pratarkyāḥ
Vocative	pratarkya	pratarkyau	pratarkyāḥ
Accusative	pratarkyam	pratarkyau	pratarkyān
Instrumental	pratarkyeṇa	pratarkyābhyām	pratarkyaiḥ pratarkyebhiḥ
Dative	pratarkyāya	pratarkyābhyām	pratarkyebhyaḥ
Ablative	pratarkyāt	pratarkyābhyām	pratarkyebhyaḥ
Genitive	pratarkyasya	pratarkyayoḥ	pratarkyāṇām
Locative	pratarkye	pratarkyayoḥ	pratarkyeṣu

Compound pratarkya -

Adverb -pratarkyam -pratarkyāt