Declension table of ?avatsāra

Masculine	Singular	Dual	Plural
Nominative	avatsāraḥ	avatsārau	avatsārāḥ
Vocative	avatsāra	avatsārau	avatsārāḥ
Accusative	avatsāram	avatsārau	avatsārān
Instrumental	avatsāreṇa	avatsārābhyām	avatsāraiḥ avatsārebhiḥ
Dative	avatsārāya	avatsārābhyām	avatsārebhyaḥ
Ablative	avatsārāt	avatsārābhyām	avatsārebhyaḥ
Genitive	avatsārasya	avatsārayoḥ	avatsārāṇām
Locative	avatsāre	avatsārayoḥ	avatsāreṣu

Compound avatsāra -

Adverb -avatsāram -avatsārāt