Declension table of ?koṣṭhāgni

Masculine	Singular	Dual	Plural
Nominative	koṣṭhāgniḥ	koṣṭhāgnī	koṣṭhāgnayaḥ
Vocative	koṣṭhāgne	koṣṭhāgnī	koṣṭhāgnayaḥ
Accusative	koṣṭhāgnim	koṣṭhāgnī	koṣṭhāgnīn
Instrumental	koṣṭhāgninā	koṣṭhāgnibhyām	koṣṭhāgnibhiḥ
Dative	koṣṭhāgnaye	koṣṭhāgnibhyām	koṣṭhāgnibhyaḥ
Ablative	koṣṭhāgneḥ	koṣṭhāgnibhyām	koṣṭhāgnibhyaḥ
Genitive	koṣṭhāgneḥ	koṣṭhāgnyoḥ	koṣṭhāgnīnām
Locative	koṣṭhāgnau	koṣṭhāgnyoḥ	koṣṭhāgniṣu

Compound koṣṭhāgni -

Adverb -koṣṭhāgni