Declension table of ?upadheya

Neuter	Singular	Dual	Plural
Nominative	upadheyam	upadheye	upadheyāni
Vocative	upadheya	upadheye	upadheyāni
Accusative	upadheyam	upadheye	upadheyāni
Instrumental	upadheyena	upadheyābhyām	upadheyaiḥ
Dative	upadheyāya	upadheyābhyām	upadheyebhyaḥ
Ablative	upadheyāt	upadheyābhyām	upadheyebhyaḥ
Genitive	upadheyasya	upadheyayoḥ	upadheyānām
Locative	upadheye	upadheyayoḥ	upadheyeṣu

Compound upadheya -

Adverb -upadheyam -upadheyāt