Declension table of ?upādya

Masculine	Singular	Dual	Plural
Nominative	upādyaḥ	upādyau	upādyāḥ
Vocative	upādya	upādyau	upādyāḥ
Accusative	upādyam	upādyau	upādyān
Instrumental	upādyena	upādyābhyām	upādyaiḥ upādyebhiḥ
Dative	upādyāya	upādyābhyām	upādyebhyaḥ
Ablative	upādyāt	upādyābhyām	upādyebhyaḥ
Genitive	upādyasya	upādyayoḥ	upādyānām
Locative	upādye	upādyayoḥ	upādyeṣu

Compound upādya -

Adverb -upādyam -upādyāt