Declension table of ?sampūyana

Neuter	Singular	Dual	Plural
Nominative	sampūyanam	sampūyane	sampūyanāni
Vocative	sampūyana	sampūyane	sampūyanāni
Accusative	sampūyanam	sampūyane	sampūyanāni
Instrumental	sampūyanena	sampūyanābhyām	sampūyanaiḥ
Dative	sampūyanāya	sampūyanābhyām	sampūyanebhyaḥ
Ablative	sampūyanāt	sampūyanābhyām	sampūyanebhyaḥ
Genitive	sampūyanasya	sampūyanayoḥ	sampūyanānām
Locative	sampūyane	sampūyanayoḥ	sampūyaneṣu

Compound sampūyana -

Adverb -sampūyanam -sampūyanāt