Declension table of ?pratyarthaka

Masculine	Singular	Dual	Plural
Nominative	pratyarthakaḥ	pratyarthakau	pratyarthakāḥ
Vocative	pratyarthaka	pratyarthakau	pratyarthakāḥ
Accusative	pratyarthakam	pratyarthakau	pratyarthakān
Instrumental	pratyarthakena	pratyarthakābhyām	pratyarthakaiḥ pratyarthakebhiḥ
Dative	pratyarthakāya	pratyarthakābhyām	pratyarthakebhyaḥ
Ablative	pratyarthakāt	pratyarthakābhyām	pratyarthakebhyaḥ
Genitive	pratyarthakasya	pratyarthakayoḥ	pratyarthakānām
Locative	pratyarthake	pratyarthakayoḥ	pratyarthakeṣu

Compound pratyarthaka -

Adverb -pratyarthakam -pratyarthakāt