Declension table of ?ṛṣabhavat

Masculine	Singular	Dual	Plural
Nominative	ṛṣabhavān	ṛṣabhavantau	ṛṣabhavantaḥ
Vocative	ṛṣabhavan	ṛṣabhavantau	ṛṣabhavantaḥ
Accusative	ṛṣabhavantam	ṛṣabhavantau	ṛṣabhavataḥ
Instrumental	ṛṣabhavatā	ṛṣabhavadbhyām	ṛṣabhavadbhiḥ
Dative	ṛṣabhavate	ṛṣabhavadbhyām	ṛṣabhavadbhyaḥ
Ablative	ṛṣabhavataḥ	ṛṣabhavadbhyām	ṛṣabhavadbhyaḥ
Genitive	ṛṣabhavataḥ	ṛṣabhavatoḥ	ṛṣabhavatām
Locative	ṛṣabhavati	ṛṣabhavatoḥ	ṛṣabhavatsu

Compound ṛṣabhavat -

Adverb -ṛṣabhavantam