Declension table of ?svāntavat

Masculine	Singular	Dual	Plural
Nominative	svāntavān	svāntavantau	svāntavantaḥ
Vocative	svāntavan	svāntavantau	svāntavantaḥ
Accusative	svāntavantam	svāntavantau	svāntavataḥ
Instrumental	svāntavatā	svāntavadbhyām	svāntavadbhiḥ
Dative	svāntavate	svāntavadbhyām	svāntavadbhyaḥ
Ablative	svāntavataḥ	svāntavadbhyām	svāntavadbhyaḥ
Genitive	svāntavataḥ	svāntavatoḥ	svāntavatām
Locative	svāntavati	svāntavatoḥ	svāntavatsu

Compound svāntavat -

Adverb -svāntavantam