Declension table of ?āṣṭaka

Neuter	Singular	Dual	Plural
Nominative	āṣṭakam	āṣṭake	āṣṭakāni
Vocative	āṣṭaka	āṣṭake	āṣṭakāni
Accusative	āṣṭakam	āṣṭake	āṣṭakāni
Instrumental	āṣṭakena	āṣṭakābhyām	āṣṭakaiḥ
Dative	āṣṭakāya	āṣṭakābhyām	āṣṭakebhyaḥ
Ablative	āṣṭakāt	āṣṭakābhyām	āṣṭakebhyaḥ
Genitive	āṣṭakasya	āṣṭakayoḥ	āṣṭakānām
Locative	āṣṭake	āṣṭakayoḥ	āṣṭakeṣu

Compound āṣṭaka -

Adverb -āṣṭakam -āṣṭakāt