Declension table of ?kupriya

Neuter	Singular	Dual	Plural
Nominative	kupriyam	kupriye	kupriyāṇi
Vocative	kupriya	kupriye	kupriyāṇi
Accusative	kupriyam	kupriye	kupriyāṇi
Instrumental	kupriyeṇa	kupriyābhyām	kupriyaiḥ
Dative	kupriyāya	kupriyābhyām	kupriyebhyaḥ
Ablative	kupriyāt	kupriyābhyām	kupriyebhyaḥ
Genitive	kupriyasya	kupriyayoḥ	kupriyāṇām
Locative	kupriye	kupriyayoḥ	kupriyeṣu

Compound kupriya -

Adverb -kupriyam -kupriyāt