Declension table of ?suparṇaka

Neuter	Singular	Dual	Plural
Nominative	suparṇakam	suparṇake	suparṇakāni
Vocative	suparṇaka	suparṇake	suparṇakāni
Accusative	suparṇakam	suparṇake	suparṇakāni
Instrumental	suparṇakena	suparṇakābhyām	suparṇakaiḥ
Dative	suparṇakāya	suparṇakābhyām	suparṇakebhyaḥ
Ablative	suparṇakāt	suparṇakābhyām	suparṇakebhyaḥ
Genitive	suparṇakasya	suparṇakayoḥ	suparṇakānām
Locative	suparṇake	suparṇakayoḥ	suparṇakeṣu

Compound suparṇaka -

Adverb -suparṇakam -suparṇakāt