Declension table of ?viśvanāthāṣṭaka

Neuter	Singular	Dual	Plural
Nominative	viśvanāthāṣṭakam	viśvanāthāṣṭake	viśvanāthāṣṭakāni
Vocative	viśvanāthāṣṭaka	viśvanāthāṣṭake	viśvanāthāṣṭakāni
Accusative	viśvanāthāṣṭakam	viśvanāthāṣṭake	viśvanāthāṣṭakāni
Instrumental	viśvanāthāṣṭakena	viśvanāthāṣṭakābhyām	viśvanāthāṣṭakaiḥ
Dative	viśvanāthāṣṭakāya	viśvanāthāṣṭakābhyām	viśvanāthāṣṭakebhyaḥ
Ablative	viśvanāthāṣṭakāt	viśvanāthāṣṭakābhyām	viśvanāthāṣṭakebhyaḥ
Genitive	viśvanāthāṣṭakasya	viśvanāthāṣṭakayoḥ	viśvanāthāṣṭakānām
Locative	viśvanāthāṣṭake	viśvanāthāṣṭakayoḥ	viśvanāthāṣṭakeṣu

Compound viśvanāthāṣṭaka -

Adverb -viśvanāthāṣṭakam -viśvanāthāṣṭakāt