Declension table of ?naṣṭavya

Masculine	Singular	Dual	Plural
Nominative	naṣṭavyaḥ	naṣṭavyau	naṣṭavyāḥ
Vocative	naṣṭavya	naṣṭavyau	naṣṭavyāḥ
Accusative	naṣṭavyam	naṣṭavyau	naṣṭavyān
Instrumental	naṣṭavyena	naṣṭavyābhyām	naṣṭavyaiḥ naṣṭavyebhiḥ
Dative	naṣṭavyāya	naṣṭavyābhyām	naṣṭavyebhyaḥ
Ablative	naṣṭavyāt	naṣṭavyābhyām	naṣṭavyebhyaḥ
Genitive	naṣṭavyasya	naṣṭavyayoḥ	naṣṭavyānām
Locative	naṣṭavye	naṣṭavyayoḥ	naṣṭavyeṣu

Compound naṣṭavya -

Adverb -naṣṭavyam -naṣṭavyāt