Declension table of ?upavarṇana

Neuter	Singular	Dual	Plural
Nominative	upavarṇanam	upavarṇane	upavarṇanāni
Vocative	upavarṇana	upavarṇane	upavarṇanāni
Accusative	upavarṇanam	upavarṇane	upavarṇanāni
Instrumental	upavarṇanena	upavarṇanābhyām	upavarṇanaiḥ
Dative	upavarṇanāya	upavarṇanābhyām	upavarṇanebhyaḥ
Ablative	upavarṇanāt	upavarṇanābhyām	upavarṇanebhyaḥ
Genitive	upavarṇanasya	upavarṇanayoḥ	upavarṇanānām
Locative	upavarṇane	upavarṇanayoḥ	upavarṇaneṣu

Compound upavarṇana -

Adverb -upavarṇanam -upavarṇanāt