Declension table of ?suptavat

Masculine	Singular	Dual	Plural
Nominative	suptavān	suptavantau	suptavantaḥ
Vocative	suptavan	suptavantau	suptavantaḥ
Accusative	suptavantam	suptavantau	suptavataḥ
Instrumental	suptavatā	suptavadbhyām	suptavadbhiḥ
Dative	suptavate	suptavadbhyām	suptavadbhyaḥ
Ablative	suptavataḥ	suptavadbhyām	suptavadbhyaḥ
Genitive	suptavataḥ	suptavatoḥ	suptavatām
Locative	suptavati	suptavatoḥ	suptavatsu

Compound suptavat -

Adverb -suptavantam