Declension table of ?nāṣṭika

Neuter	Singular	Dual	Plural
Nominative	nāṣṭikam	nāṣṭike	nāṣṭikāni
Vocative	nāṣṭika	nāṣṭike	nāṣṭikāni
Accusative	nāṣṭikam	nāṣṭike	nāṣṭikāni
Instrumental	nāṣṭikena	nāṣṭikābhyām	nāṣṭikaiḥ
Dative	nāṣṭikāya	nāṣṭikābhyām	nāṣṭikebhyaḥ
Ablative	nāṣṭikāt	nāṣṭikābhyām	nāṣṭikebhyaḥ
Genitive	nāṣṭikasya	nāṣṭikayoḥ	nāṣṭikānām
Locative	nāṣṭike	nāṣṭikayoḥ	nāṣṭikeṣu

Compound nāṣṭika -

Adverb -nāṣṭikam -nāṣṭikāt