Declension table of ?dvaipaka

Masculine	Singular	Dual	Plural
Nominative	dvaipakaḥ	dvaipakau	dvaipakāḥ
Vocative	dvaipaka	dvaipakau	dvaipakāḥ
Accusative	dvaipakam	dvaipakau	dvaipakān
Instrumental	dvaipakena	dvaipakābhyām	dvaipakaiḥ dvaipakebhiḥ
Dative	dvaipakāya	dvaipakābhyām	dvaipakebhyaḥ
Ablative	dvaipakāt	dvaipakābhyām	dvaipakebhyaḥ
Genitive	dvaipakasya	dvaipakayoḥ	dvaipakānām
Locative	dvaipake	dvaipakayoḥ	dvaipakeṣu

Compound dvaipaka -

Adverb -dvaipakam -dvaipakāt