Declension table of ?nāśya

Masculine	Singular	Dual	Plural
Nominative	nāśyaḥ	nāśyau	nāśyāḥ
Vocative	nāśya	nāśyau	nāśyāḥ
Accusative	nāśyam	nāśyau	nāśyān
Instrumental	nāśyena	nāśyābhyām	nāśyaiḥ nāśyebhiḥ
Dative	nāśyāya	nāśyābhyām	nāśyebhyaḥ
Ablative	nāśyāt	nāśyābhyām	nāśyebhyaḥ
Genitive	nāśyasya	nāśyayoḥ	nāśyānām
Locative	nāśye	nāśyayoḥ	nāśyeṣu

Compound nāśya -

Adverb -nāśyam -nāśyāt