Declension table of ?kupyamāna

Neuter	Singular	Dual	Plural
Nominative	kupyamānam	kupyamāne	kupyamānāni
Vocative	kupyamāna	kupyamāne	kupyamānāni
Accusative	kupyamānam	kupyamāne	kupyamānāni
Instrumental	kupyamānena	kupyamānābhyām	kupyamānaiḥ
Dative	kupyamānāya	kupyamānābhyām	kupyamānebhyaḥ
Ablative	kupyamānāt	kupyamānābhyām	kupyamānebhyaḥ
Genitive	kupyamānasya	kupyamānayoḥ	kupyamānānām
Locative	kupyamāne	kupyamānayoḥ	kupyamāneṣu

Compound kupyamāna -

Adverb -kupyamānam -kupyamānāt