Declension table of ?pauṃsna

Neuter	Singular	Dual	Plural
Nominative	pauṃsnam	pauṃsne	pauṃsnāni
Vocative	pauṃsna	pauṃsne	pauṃsnāni
Accusative	pauṃsnam	pauṃsne	pauṃsnāni
Instrumental	pauṃsnena	pauṃsnābhyām	pauṃsnaiḥ
Dative	pauṃsnāya	pauṃsnābhyām	pauṃsnebhyaḥ
Ablative	pauṃsnāt	pauṃsnābhyām	pauṃsnebhyaḥ
Genitive	pauṃsnasya	pauṃsnayoḥ	pauṃsnānām
Locative	pauṃsne	pauṃsnayoḥ	pauṃsneṣu

Compound pauṃsna -

Adverb -pauṃsnam -pauṃsnāt