Declension table of ?samāvat

Masculine	Singular	Dual	Plural
Nominative	samāvān	samāvantau	samāvantaḥ
Vocative	samāvan	samāvantau	samāvantaḥ
Accusative	samāvantam	samāvantau	samāvataḥ
Instrumental	samāvatā	samāvadbhyām	samāvadbhiḥ
Dative	samāvate	samāvadbhyām	samāvadbhyaḥ
Ablative	samāvataḥ	samāvadbhyām	samāvadbhyaḥ
Genitive	samāvataḥ	samāvatoḥ	samāvatām
Locative	samāvati	samāvatoḥ	samāvatsu

Compound samāvat -

Adverb -samāvantam