Declension table of ?srastara

Masculine	Singular	Dual	Plural
Nominative	srastaraḥ	srastarau	srastarāḥ
Vocative	srastara	srastarau	srastarāḥ
Accusative	srastaram	srastarau	srastarān
Instrumental	srastareṇa	srastarābhyām	srastaraiḥ srastarebhiḥ
Dative	srastarāya	srastarābhyām	srastarebhyaḥ
Ablative	srastarāt	srastarābhyām	srastarebhyaḥ
Genitive	srastarasya	srastarayoḥ	srastarāṇām
Locative	srastare	srastarayoḥ	srastareṣu

Compound srastara -

Adverb -srastaram -srastarāt