Declension table of ?sāptapuruṣa

Masculine	Singular	Dual	Plural
Nominative	sāptapuruṣaḥ	sāptapuruṣau	sāptapuruṣāḥ
Vocative	sāptapuruṣa	sāptapuruṣau	sāptapuruṣāḥ
Accusative	sāptapuruṣam	sāptapuruṣau	sāptapuruṣān
Instrumental	sāptapuruṣeṇa	sāptapuruṣābhyām	sāptapuruṣaiḥ sāptapuruṣebhiḥ
Dative	sāptapuruṣāya	sāptapuruṣābhyām	sāptapuruṣebhyaḥ
Ablative	sāptapuruṣāt	sāptapuruṣābhyām	sāptapuruṣebhyaḥ
Genitive	sāptapuruṣasya	sāptapuruṣayoḥ	sāptapuruṣāṇām
Locative	sāptapuruṣe	sāptapuruṣayoḥ	sāptapuruṣeṣu

Compound sāptapuruṣa -

Adverb -sāptapuruṣam -sāptapuruṣāt