Declension table of ?vṛṣāmitra

Masculine	Singular	Dual	Plural
Nominative	vṛṣāmitraḥ	vṛṣāmitrau	vṛṣāmitrāḥ
Vocative	vṛṣāmitra	vṛṣāmitrau	vṛṣāmitrāḥ
Accusative	vṛṣāmitram	vṛṣāmitrau	vṛṣāmitrān
Instrumental	vṛṣāmitreṇa	vṛṣāmitrābhyām	vṛṣāmitraiḥ vṛṣāmitrebhiḥ
Dative	vṛṣāmitrāya	vṛṣāmitrābhyām	vṛṣāmitrebhyaḥ
Ablative	vṛṣāmitrāt	vṛṣāmitrābhyām	vṛṣāmitrebhyaḥ
Genitive	vṛṣāmitrasya	vṛṣāmitrayoḥ	vṛṣāmitrāṇām
Locative	vṛṣāmitre	vṛṣāmitrayoḥ	vṛṣāmitreṣu

Compound vṛṣāmitra -

Adverb -vṛṣāmitram -vṛṣāmitrāt