Declension table of ?kuṣṭavat

Masculine	Singular	Dual	Plural
Nominative	kuṣṭavān	kuṣṭavantau	kuṣṭavantaḥ
Vocative	kuṣṭavan	kuṣṭavantau	kuṣṭavantaḥ
Accusative	kuṣṭavantam	kuṣṭavantau	kuṣṭavataḥ
Instrumental	kuṣṭavatā	kuṣṭavadbhyām	kuṣṭavadbhiḥ
Dative	kuṣṭavate	kuṣṭavadbhyām	kuṣṭavadbhyaḥ
Ablative	kuṣṭavataḥ	kuṣṭavadbhyām	kuṣṭavadbhyaḥ
Genitive	kuṣṭavataḥ	kuṣṭavatoḥ	kuṣṭavatām
Locative	kuṣṭavati	kuṣṭavatoḥ	kuṣṭavatsu

Compound kuṣṭavat -

Adverb -kuṣṭavantam