Declension table of ?pupvāna

Neuter	Singular	Dual	Plural
Nominative	pupvānam	pupvāne	pupvānāni
Vocative	pupvāna	pupvāne	pupvānāni
Accusative	pupvānam	pupvāne	pupvānāni
Instrumental	pupvānena	pupvānābhyām	pupvānaiḥ
Dative	pupvānāya	pupvānābhyām	pupvānebhyaḥ
Ablative	pupvānāt	pupvānābhyām	pupvānebhyaḥ
Genitive	pupvānasya	pupvānayoḥ	pupvānānām
Locative	pupvāne	pupvānayoḥ	pupvāneṣu

Compound pupvāna -

Adverb -pupvānam -pupvānāt