Declension table of ?sphāra

Masculine	Singular	Dual	Plural
Nominative	sphāraḥ	sphārau	sphārāḥ
Vocative	sphāra	sphārau	sphārāḥ
Accusative	sphāram	sphārau	sphārān
Instrumental	sphāreṇa	sphārābhyām	sphāraiḥ sphārebhiḥ
Dative	sphārāya	sphārābhyām	sphārebhyaḥ
Ablative	sphārāt	sphārābhyām	sphārebhyaḥ
Genitive	sphārasya	sphārayoḥ	sphārāṇām
Locative	sphāre	sphārayoḥ	sphāreṣu

Compound sphāra -

Adverb -sphāram -sphārāt