Declension table of ?chupamāna

Neuter	Singular	Dual	Plural
Nominative	chupamānam	chupamāne	chupamānāni
Vocative	chupamāna	chupamāne	chupamānāni
Accusative	chupamānam	chupamāne	chupamānāni
Instrumental	chupamānena	chupamānābhyām	chupamānaiḥ
Dative	chupamānāya	chupamānābhyām	chupamānebhyaḥ
Ablative	chupamānāt	chupamānābhyām	chupamānebhyaḥ
Genitive	chupamānasya	chupamānayoḥ	chupamānānām
Locative	chupamāne	chupamānayoḥ	chupamāneṣu

Compound chupamāna -

Adverb -chupamānam -chupamānāt