Declension table of ?pūrṇavapus

Neuter	Singular	Dual	Plural
Nominative	pūrṇavapuḥ	pūrṇavapuṣī	pūrṇavapūṃṣi
Vocative	pūrṇavapuḥ	pūrṇavapuṣī	pūrṇavapūṃṣi
Accusative	pūrṇavapuḥ	pūrṇavapuṣī	pūrṇavapūṃṣi
Instrumental	pūrṇavapuṣā	pūrṇavapurbhyām	pūrṇavapurbhiḥ
Dative	pūrṇavapuṣe	pūrṇavapurbhyām	pūrṇavapurbhyaḥ
Ablative	pūrṇavapuṣaḥ	pūrṇavapurbhyām	pūrṇavapurbhyaḥ
Genitive	pūrṇavapuṣaḥ	pūrṇavapuṣoḥ	pūrṇavapuṣām
Locative	pūrṇavapuṣi	pūrṇavapuṣoḥ	pūrṇavapuḥṣu

Compound pūrṇavapus -

Adverb -pūrṇavapus