Declension table of ?ṛṣidviṣ

Neuter	Singular	Dual	Plural
Nominative	ṛṣidviṭ	ṛṣidviṣī	ṛṣidviṃṣi
Vocative	ṛṣidviṭ	ṛṣidviṣī	ṛṣidviṃṣi
Accusative	ṛṣidviṭ	ṛṣidviṣī	ṛṣidviṃṣi
Instrumental	ṛṣidviṣā	ṛṣidviḍbhyām	ṛṣidviḍbhiḥ
Dative	ṛṣidviṣe	ṛṣidviḍbhyām	ṛṣidviḍbhyaḥ
Ablative	ṛṣidviṣaḥ	ṛṣidviḍbhyām	ṛṣidviḍbhyaḥ
Genitive	ṛṣidviṣaḥ	ṛṣidviṣoḥ	ṛṣidviṣām
Locative	ṛṣidviṣi	ṛṣidviṣoḥ	ṛṣidviṭsu

Compound ṛṣidviṭ -

Adverb -ṛṣidviṭ