Declension table of ?upaceya

Masculine	Singular	Dual	Plural
Nominative	upaceyaḥ	upaceyau	upaceyāḥ
Vocative	upaceya	upaceyau	upaceyāḥ
Accusative	upaceyam	upaceyau	upaceyān
Instrumental	upaceyena	upaceyābhyām	upaceyaiḥ upaceyebhiḥ
Dative	upaceyāya	upaceyābhyām	upaceyebhyaḥ
Ablative	upaceyāt	upaceyābhyām	upaceyebhyaḥ
Genitive	upaceyasya	upaceyayoḥ	upaceyānām
Locative	upaceye	upaceyayoḥ	upaceyeṣu

Compound upaceya -

Adverb -upaceyam -upaceyāt