Declension table of ?sūpasthāna

Neuter	Singular	Dual	Plural
Nominative	sūpasthānam	sūpasthāne	sūpasthānāni
Vocative	sūpasthāna	sūpasthāne	sūpasthānāni
Accusative	sūpasthānam	sūpasthāne	sūpasthānāni
Instrumental	sūpasthānena	sūpasthānābhyām	sūpasthānaiḥ
Dative	sūpasthānāya	sūpasthānābhyām	sūpasthānebhyaḥ
Ablative	sūpasthānāt	sūpasthānābhyām	sūpasthānebhyaḥ
Genitive	sūpasthānasya	sūpasthānayoḥ	sūpasthānānām
Locative	sūpasthāne	sūpasthānayoḥ	sūpasthāneṣu

Compound sūpasthāna -

Adverb -sūpasthānam -sūpasthānāt