Declension table of ṛṣi

Masculine	Singular	Dual	Plural
Nominative	ṛṣiḥ	ṛṣī	ṛṣayaḥ
Vocative	ṛṣe	ṛṣī	ṛṣayaḥ
Accusative	ṛṣim	ṛṣī	ṛṣīn
Instrumental	ṛṣiṇā	ṛṣibhyām	ṛṣibhiḥ
Dative	ṛṣaye	ṛṣibhyām	ṛṣibhyaḥ
Ablative	ṛṣeḥ	ṛṣibhyām	ṛṣibhyaḥ
Genitive	ṛṣeḥ	ṛṣyoḥ	ṛṣīṇām
Locative	ṛṣau	ṛṣyoḥ	ṛṣiṣu

Compound ṛṣi -

Adverb -ṛṣi