Declension table of ?dūtavat

Masculine	Singular	Dual	Plural
Nominative	dūtavān	dūtavantau	dūtavantaḥ
Vocative	dūtavan	dūtavantau	dūtavantaḥ
Accusative	dūtavantam	dūtavantau	dūtavataḥ
Instrumental	dūtavatā	dūtavadbhyām	dūtavadbhiḥ
Dative	dūtavate	dūtavadbhyām	dūtavadbhyaḥ
Ablative	dūtavataḥ	dūtavadbhyām	dūtavadbhyaḥ
Genitive	dūtavataḥ	dūtavatoḥ	dūtavatām
Locative	dūtavati	dūtavatoḥ	dūtavatsu

Compound dūtavat -

Adverb -dūtavantam