Declension table of ?samatsara

Neuter	Singular	Dual	Plural
Nominative	samatsaram	samatsare	samatsarāṇi
Vocative	samatsara	samatsare	samatsarāṇi
Accusative	samatsaram	samatsare	samatsarāṇi
Instrumental	samatsareṇa	samatsarābhyām	samatsaraiḥ
Dative	samatsarāya	samatsarābhyām	samatsarebhyaḥ
Ablative	samatsarāt	samatsarābhyām	samatsarebhyaḥ
Genitive	samatsarasya	samatsarayoḥ	samatsarāṇām
Locative	samatsare	samatsarayoḥ	samatsareṣu

Compound samatsara -

Adverb -samatsaram -samatsarāt