Declension table of ?saptaloka

Masculine	Singular	Dual	Plural
Nominative	saptalokaḥ	saptalokau	saptalokāḥ
Vocative	saptaloka	saptalokau	saptalokāḥ
Accusative	saptalokam	saptalokau	saptalokān
Instrumental	saptalokena	saptalokābhyām	saptalokaiḥ saptalokebhiḥ
Dative	saptalokāya	saptalokābhyām	saptalokebhyaḥ
Ablative	saptalokāt	saptalokābhyām	saptalokebhyaḥ
Genitive	saptalokasya	saptalokayoḥ	saptalokānām
Locative	saptaloke	saptalokayoḥ	saptalokeṣu

Compound saptaloka -

Adverb -saptalokam -saptalokāt