Declension table of ?naṣṭāśaṅka

Masculine	Singular	Dual	Plural
Nominative	naṣṭāśaṅkaḥ	naṣṭāśaṅkau	naṣṭāśaṅkāḥ
Vocative	naṣṭāśaṅka	naṣṭāśaṅkau	naṣṭāśaṅkāḥ
Accusative	naṣṭāśaṅkam	naṣṭāśaṅkau	naṣṭāśaṅkān
Instrumental	naṣṭāśaṅkena	naṣṭāśaṅkābhyām	naṣṭāśaṅkaiḥ naṣṭāśaṅkebhiḥ
Dative	naṣṭāśaṅkāya	naṣṭāśaṅkābhyām	naṣṭāśaṅkebhyaḥ
Ablative	naṣṭāśaṅkāt	naṣṭāśaṅkābhyām	naṣṭāśaṅkebhyaḥ
Genitive	naṣṭāśaṅkasya	naṣṭāśaṅkayoḥ	naṣṭāśaṅkānām
Locative	naṣṭāśaṅke	naṣṭāśaṅkayoḥ	naṣṭāśaṅkeṣu

Compound naṣṭāśaṅka -

Adverb -naṣṭāśaṅkam -naṣṭāśaṅkāt