Declension table of ?upasada

Neuter	Singular	Dual	Plural
Nominative	upasadam	upasade	upasadāni
Vocative	upasada	upasade	upasadāni
Accusative	upasadam	upasade	upasadāni
Instrumental	upasadena	upasadābhyām	upasadaiḥ
Dative	upasadāya	upasadābhyām	upasadebhyaḥ
Ablative	upasadāt	upasadābhyām	upasadebhyaḥ
Genitive	upasadasya	upasadayoḥ	upasadānām
Locative	upasade	upasadayoḥ	upasadeṣu

Compound upasada -

Adverb -upasadam -upasadāt