Declension table of ?sutvac

Masculine	Singular	Dual	Plural
Nominative	sutvaṅ	sutvañcau	sutvañcaḥ
Vocative	sutvaṅ	sutvañcau	sutvañcaḥ
Accusative	sutvañcam	sutvañcau	sutūcaḥ
Instrumental	sutūcā	sutvagbhyām	sutvagbhiḥ
Dative	sutūce	sutvagbhyām	sutvagbhyaḥ
Ablative	sutūcaḥ	sutvagbhyām	sutvagbhyaḥ
Genitive	sutūcaḥ	sutūcoḥ	sutūcām
Locative	sutūci	sutūcoḥ	sutvakṣu

Compound sutvak -

Adverb -sutvaṅ