Declension table of sāhasra

Masculine	Singular	Dual	Plural
Nominative	sāhasraḥ	sāhasrau	sāhasrāḥ
Vocative	sāhasra	sāhasrau	sāhasrāḥ
Accusative	sāhasram	sāhasrau	sāhasrān
Instrumental	sāhasreṇa	sāhasrābhyām	sāhasraiḥ sāhasrebhiḥ
Dative	sāhasrāya	sāhasrābhyām	sāhasrebhyaḥ
Ablative	sāhasrāt	sāhasrābhyām	sāhasrebhyaḥ
Genitive	sāhasrasya	sāhasrayoḥ	sāhasrāṇām
Locative	sāhasre	sāhasrayoḥ	sāhasreṣu

Compound sāhasra -

Adverb -sāhasram -sāhasrāt