Declension table of ?pūrṇayauvana

Masculine	Singular	Dual	Plural
Nominative	pūrṇayauvanaḥ	pūrṇayauvanau	pūrṇayauvanāḥ
Vocative	pūrṇayauvana	pūrṇayauvanau	pūrṇayauvanāḥ
Accusative	pūrṇayauvanam	pūrṇayauvanau	pūrṇayauvanān
Instrumental	pūrṇayauvanena	pūrṇayauvanābhyām	pūrṇayauvanaiḥ pūrṇayauvanebhiḥ
Dative	pūrṇayauvanāya	pūrṇayauvanābhyām	pūrṇayauvanebhyaḥ
Ablative	pūrṇayauvanāt	pūrṇayauvanābhyām	pūrṇayauvanebhyaḥ
Genitive	pūrṇayauvanasya	pūrṇayauvanayoḥ	pūrṇayauvanānām
Locative	pūrṇayauvane	pūrṇayauvanayoḥ	pūrṇayauvaneṣu

Compound pūrṇayauvana -

Adverb -pūrṇayauvanam -pūrṇayauvanāt