Declension table of ?bahutvac

Masculine	Singular	Dual	Plural
Nominative	bahutvaṅ	bahutvañcau	bahutvañcaḥ
Vocative	bahutvaṅ	bahutvañcau	bahutvañcaḥ
Accusative	bahutvañcam	bahutvañcau	bahutūcaḥ
Instrumental	bahutūcā	bahutvagbhyām	bahutvagbhiḥ
Dative	bahutūce	bahutvagbhyām	bahutvagbhyaḥ
Ablative	bahutūcaḥ	bahutvagbhyām	bahutvagbhyaḥ
Genitive	bahutūcaḥ	bahutūcoḥ	bahutūcām
Locative	bahutūci	bahutūcoḥ	bahutvakṣu

Compound bahutvak -

Adverb -bahutvaṅ