Declension table of ?upapadasamāsa

Masculine	Singular	Dual	Plural
Nominative	upapadasamāsaḥ	upapadasamāsau	upapadasamāsāḥ
Vocative	upapadasamāsa	upapadasamāsau	upapadasamāsāḥ
Accusative	upapadasamāsam	upapadasamāsau	upapadasamāsān
Instrumental	upapadasamāsena	upapadasamāsābhyām	upapadasamāsaiḥ upapadasamāsebhiḥ
Dative	upapadasamāsāya	upapadasamāsābhyām	upapadasamāsebhyaḥ
Ablative	upapadasamāsāt	upapadasamāsābhyām	upapadasamāsebhyaḥ
Genitive	upapadasamāsasya	upapadasamāsayoḥ	upapadasamāsānām
Locative	upapadasamāse	upapadasamāsayoḥ	upapadasamāseṣu

Compound upapadasamāsa -

Adverb -upapadasamāsam -upapadasamāsāt