Declension table of ?mṛtavāsara

Masculine	Singular	Dual	Plural
Nominative	mṛtavāsaraḥ	mṛtavāsarau	mṛtavāsarāḥ
Vocative	mṛtavāsara	mṛtavāsarau	mṛtavāsarāḥ
Accusative	mṛtavāsaram	mṛtavāsarau	mṛtavāsarān
Instrumental	mṛtavāsareṇa	mṛtavāsarābhyām	mṛtavāsaraiḥ mṛtavāsarebhiḥ
Dative	mṛtavāsarāya	mṛtavāsarābhyām	mṛtavāsarebhyaḥ
Ablative	mṛtavāsarāt	mṛtavāsarābhyām	mṛtavāsarebhyaḥ
Genitive	mṛtavāsarasya	mṛtavāsarayoḥ	mṛtavāsarāṇām
Locative	mṛtavāsare	mṛtavāsarayoḥ	mṛtavāsareṣu

Compound mṛtavāsara -

Adverb -mṛtavāsaram -mṛtavāsarāt