Declension table of ?parisaṃvatsara

Masculine	Singular	Dual	Plural
Nominative	parisaṃvatsaraḥ	parisaṃvatsarau	parisaṃvatsarāḥ
Vocative	parisaṃvatsara	parisaṃvatsarau	parisaṃvatsarāḥ
Accusative	parisaṃvatsaram	parisaṃvatsarau	parisaṃvatsarān
Instrumental	parisaṃvatsareṇa	parisaṃvatsarābhyām	parisaṃvatsaraiḥ parisaṃvatsarebhiḥ
Dative	parisaṃvatsarāya	parisaṃvatsarābhyām	parisaṃvatsarebhyaḥ
Ablative	parisaṃvatsarāt	parisaṃvatsarābhyām	parisaṃvatsarebhyaḥ
Genitive	parisaṃvatsarasya	parisaṃvatsarayoḥ	parisaṃvatsarāṇām
Locative	parisaṃvatsare	parisaṃvatsarayoḥ	parisaṃvatsareṣu

Compound parisaṃvatsara -

Adverb -parisaṃvatsaram -parisaṃvatsarāt