Declension table of ?dvādaśavārṣikavrata

Neuter	Singular	Dual	Plural
Nominative	dvādaśavārṣikavratam	dvādaśavārṣikavrate	dvādaśavārṣikavratāni
Vocative	dvādaśavārṣikavrata	dvādaśavārṣikavrate	dvādaśavārṣikavratāni
Accusative	dvādaśavārṣikavratam	dvādaśavārṣikavrate	dvādaśavārṣikavratāni
Instrumental	dvādaśavārṣikavratena	dvādaśavārṣikavratābhyām	dvādaśavārṣikavrataiḥ
Dative	dvādaśavārṣikavratāya	dvādaśavārṣikavratābhyām	dvādaśavārṣikavratebhyaḥ
Ablative	dvādaśavārṣikavratāt	dvādaśavārṣikavratābhyām	dvādaśavārṣikavratebhyaḥ
Genitive	dvādaśavārṣikavratasya	dvādaśavārṣikavratayoḥ	dvādaśavārṣikavratānām
Locative	dvādaśavārṣikavrate	dvādaśavārṣikavratayoḥ	dvādaśavārṣikavrateṣu

Compound dvādaśavārṣikavrata -

Adverb -dvādaśavārṣikavratam -dvādaśavārṣikavratāt