Declension table of ?parisaṃvatsara

Neuter	Singular	Dual	Plural
Nominative	parisaṃvatsaram	parisaṃvatsare	parisaṃvatsarāṇi
Vocative	parisaṃvatsara	parisaṃvatsare	parisaṃvatsarāṇi
Accusative	parisaṃvatsaram	parisaṃvatsare	parisaṃvatsarāṇi
Instrumental	parisaṃvatsareṇa	parisaṃvatsarābhyām	parisaṃvatsaraiḥ
Dative	parisaṃvatsarāya	parisaṃvatsarābhyām	parisaṃvatsarebhyaḥ
Ablative	parisaṃvatsarāt	parisaṃvatsarābhyām	parisaṃvatsarebhyaḥ
Genitive	parisaṃvatsarasya	parisaṃvatsarayoḥ	parisaṃvatsarāṇām
Locative	parisaṃvatsare	parisaṃvatsarayoḥ	parisaṃvatsareṣu

Compound parisaṃvatsara -

Adverb -parisaṃvatsaram -parisaṃvatsarāt