Declension table of ?saptārṇava

Masculine	Singular	Dual	Plural
Nominative	saptārṇavaḥ	saptārṇavau	saptārṇavāḥ
Vocative	saptārṇava	saptārṇavau	saptārṇavāḥ
Accusative	saptārṇavam	saptārṇavau	saptārṇavān
Instrumental	saptārṇavena	saptārṇavābhyām	saptārṇavaiḥ saptārṇavebhiḥ
Dative	saptārṇavāya	saptārṇavābhyām	saptārṇavebhyaḥ
Ablative	saptārṇavāt	saptārṇavābhyām	saptārṇavebhyaḥ
Genitive	saptārṇavasya	saptārṇavayoḥ	saptārṇavānām
Locative	saptārṇave	saptārṇavayoḥ	saptārṇaveṣu

Compound saptārṇava -

Adverb -saptārṇavam -saptārṇavāt