Declension table of saptarṣi

Masculine	Singular	Dual	Plural
Nominative	saptarṣiḥ	saptarṣī	saptarṣayaḥ
Vocative	saptarṣe	saptarṣī	saptarṣayaḥ
Accusative	saptarṣim	saptarṣī	saptarṣīn
Instrumental	saptarṣiṇā	saptarṣibhyām	saptarṣibhiḥ
Dative	saptarṣaye	saptarṣibhyām	saptarṣibhyaḥ
Ablative	saptarṣeḥ	saptarṣibhyām	saptarṣibhyaḥ
Genitive	saptarṣeḥ	saptarṣyoḥ	saptarṣīṇām
Locative	saptarṣau	saptarṣyoḥ	saptarṣiṣu

Compound saptarṣi -

Adverb -saptarṣi