Declension table of ?saṃstūpa

Masculine	Singular	Dual	Plural
Nominative	saṃstūpaḥ	saṃstūpau	saṃstūpāḥ
Vocative	saṃstūpa	saṃstūpau	saṃstūpāḥ
Accusative	saṃstūpam	saṃstūpau	saṃstūpān
Instrumental	saṃstūpena	saṃstūpābhyām	saṃstūpaiḥ saṃstūpebhiḥ
Dative	saṃstūpāya	saṃstūpābhyām	saṃstūpebhyaḥ
Ablative	saṃstūpāt	saṃstūpābhyām	saṃstūpebhyaḥ
Genitive	saṃstūpasya	saṃstūpayoḥ	saṃstūpānām
Locative	saṃstūpe	saṃstūpayoḥ	saṃstūpeṣu

Compound saṃstūpa -

Adverb -saṃstūpam -saṃstūpāt