Declension table of ?koṣṭhāgāra

Neuter	Singular	Dual	Plural
Nominative	koṣṭhāgāram	koṣṭhāgāre	koṣṭhāgārāṇi
Vocative	koṣṭhāgāra	koṣṭhāgāre	koṣṭhāgārāṇi
Accusative	koṣṭhāgāram	koṣṭhāgāre	koṣṭhāgārāṇi
Instrumental	koṣṭhāgāreṇa	koṣṭhāgārābhyām	koṣṭhāgāraiḥ
Dative	koṣṭhāgārāya	koṣṭhāgārābhyām	koṣṭhāgārebhyaḥ
Ablative	koṣṭhāgārāt	koṣṭhāgārābhyām	koṣṭhāgārebhyaḥ
Genitive	koṣṭhāgārasya	koṣṭhāgārayoḥ	koṣṭhāgārāṇām
Locative	koṣṭhāgāre	koṣṭhāgārayoḥ	koṣṭhāgāreṣu

Compound koṣṭhāgāra -

Adverb -koṣṭhāgāram -koṣṭhāgārāt