Masculine	Singular	Dual	Plural
Nominative	pratyamitraḥ	pratyamitrau	pratyamitrāḥ
Vocative	pratyamitra	pratyamitrau	pratyamitrāḥ
Accusative	pratyamitram	pratyamitrau	pratyamitrān
Instrumental	pratyamitreṇa	pratyamitrābhyām	pratyamitraiḥ
Dative	pratyamitrāya	pratyamitrābhyām	pratyamitrebhyaḥ
Ablative	pratyamitrāt	pratyamitrābhyām	pratyamitrebhyaḥ
Genitive	pratyamitrasya	pratyamitrayoḥ	pratyamitrāṇām
Locative	pratyamitre	pratyamitrayoḥ	pratyamitreṣu

Compound pratyamitra-

Adverb -pratyamitram -pratyamitrāt