Declension table of ?niṣṭhaloka

Masculine	Singular	Dual	Plural
Nominative	niṣṭhalokaḥ	niṣṭhalokau	niṣṭhalokāḥ
Vocative	niṣṭhaloka	niṣṭhalokau	niṣṭhalokāḥ
Accusative	niṣṭhalokam	niṣṭhalokau	niṣṭhalokān
Instrumental	niṣṭhalokena	niṣṭhalokābhyām	niṣṭhalokaiḥ niṣṭhalokebhiḥ
Dative	niṣṭhalokāya	niṣṭhalokābhyām	niṣṭhalokebhyaḥ
Ablative	niṣṭhalokāt	niṣṭhalokābhyām	niṣṭhalokebhyaḥ
Genitive	niṣṭhalokasya	niṣṭhalokayoḥ	niṣṭhalokānām
Locative	niṣṭhaloke	niṣṭhalokayoḥ	niṣṭhalokeṣu

Compound niṣṭhaloka -

Adverb -niṣṭhalokam -niṣṭhalokāt