Declension table of ?dvaipāyana

Neuter	Singular	Dual	Plural
Nominative	dvaipāyanam	dvaipāyane	dvaipāyanāni
Vocative	dvaipāyana	dvaipāyane	dvaipāyanāni
Accusative	dvaipāyanam	dvaipāyane	dvaipāyanāni
Instrumental	dvaipāyanena	dvaipāyanābhyām	dvaipāyanaiḥ
Dative	dvaipāyanāya	dvaipāyanābhyām	dvaipāyanebhyaḥ
Ablative	dvaipāyanāt	dvaipāyanābhyām	dvaipāyanebhyaḥ
Genitive	dvaipāyanasya	dvaipāyanayoḥ	dvaipāyanānām
Locative	dvaipāyane	dvaipāyanayoḥ	dvaipāyaneṣu

Compound dvaipāyana -

Adverb -dvaipāyanam -dvaipāyanāt