Declension table of yauvana

Neuter	Singular	Dual	Plural
Nominative	yauvanam	yauvane	yauvanāni
Vocative	yauvana	yauvane	yauvanāni
Accusative	yauvanam	yauvane	yauvanāni
Instrumental	yauvanena	yauvanābhyām	yauvanaiḥ
Dative	yauvanāya	yauvanābhyām	yauvanebhyaḥ
Ablative	yauvanāt	yauvanābhyām	yauvanebhyaḥ
Genitive	yauvanasya	yauvanayoḥ	yauvanānām
Locative	yauvane	yauvanayoḥ	yauvaneṣu

Compound yauvana -

Adverb -yauvanam -yauvanāt