Declension table of ?dvivarṣaka

Neuter	Singular	Dual	Plural
Nominative	dvivarṣakam	dvivarṣake	dvivarṣakāṇi
Vocative	dvivarṣaka	dvivarṣake	dvivarṣakāṇi
Accusative	dvivarṣakam	dvivarṣake	dvivarṣakāṇi
Instrumental	dvivarṣakeṇa	dvivarṣakābhyām	dvivarṣakaiḥ
Dative	dvivarṣakāya	dvivarṣakābhyām	dvivarṣakebhyaḥ
Ablative	dvivarṣakāt	dvivarṣakābhyām	dvivarṣakebhyaḥ
Genitive	dvivarṣakasya	dvivarṣakayoḥ	dvivarṣakāṇām
Locative	dvivarṣake	dvivarṣakayoḥ	dvivarṣakeṣu

Compound dvivarṣaka -

Adverb -dvivarṣakam -dvivarṣakāt