Declension table of ?śubhavāsara

Masculine	Singular	Dual	Plural
Nominative	śubhavāsaraḥ	śubhavāsarau	śubhavāsarāḥ
Vocative	śubhavāsara	śubhavāsarau	śubhavāsarāḥ
Accusative	śubhavāsaram	śubhavāsarau	śubhavāsarān
Instrumental	śubhavāsareṇa	śubhavāsarābhyām	śubhavāsaraiḥ śubhavāsarebhiḥ
Dative	śubhavāsarāya	śubhavāsarābhyām	śubhavāsarebhyaḥ
Ablative	śubhavāsarāt	śubhavāsarābhyām	śubhavāsarebhyaḥ
Genitive	śubhavāsarasya	śubhavāsarayoḥ	śubhavāsarāṇām
Locative	śubhavāsare	śubhavāsarayoḥ	śubhavāsareṣu

Compound śubhavāsara -

Adverb -śubhavāsaram -śubhavāsarāt