Declension table of ?upaneya

Masculine	Singular	Dual	Plural
Nominative	upaneyaḥ	upaneyau	upaneyāḥ
Vocative	upaneya	upaneyau	upaneyāḥ
Accusative	upaneyam	upaneyau	upaneyān
Instrumental	upaneyena	upaneyābhyām	upaneyaiḥ upaneyebhiḥ
Dative	upaneyāya	upaneyābhyām	upaneyebhyaḥ
Ablative	upaneyāt	upaneyābhyām	upaneyebhyaḥ
Genitive	upaneyasya	upaneyayoḥ	upaneyānām
Locative	upaneye	upaneyayoḥ	upaneyeṣu

Compound upaneya -

Adverb -upaneyam -upaneyāt