Declension table of ?upaceya

Neuter	Singular	Dual	Plural
Nominative	upaceyam	upaceye	upaceyāni
Vocative	upaceya	upaceye	upaceyāni
Accusative	upaceyam	upaceye	upaceyāni
Instrumental	upaceyena	upaceyābhyām	upaceyaiḥ
Dative	upaceyāya	upaceyābhyām	upaceyebhyaḥ
Ablative	upaceyāt	upaceyābhyām	upaceyebhyaḥ
Genitive	upaceyasya	upaceyayoḥ	upaceyānām
Locative	upaceye	upaceyayoḥ	upaceyeṣu

Compound upaceya -

Adverb -upaceyam -upaceyāt