Declension table of ?yauvanavat

Masculine	Singular	Dual	Plural
Nominative	yauvanavān	yauvanavantau	yauvanavantaḥ
Vocative	yauvanavan	yauvanavantau	yauvanavantaḥ
Accusative	yauvanavantam	yauvanavantau	yauvanavataḥ
Instrumental	yauvanavatā	yauvanavadbhyām	yauvanavadbhiḥ
Dative	yauvanavate	yauvanavadbhyām	yauvanavadbhyaḥ
Ablative	yauvanavataḥ	yauvanavadbhyām	yauvanavadbhyaḥ
Genitive	yauvanavataḥ	yauvanavatoḥ	yauvanavatām
Locative	yauvanavati	yauvanavatoḥ	yauvanavatsu

Compound yauvanavat -

Adverb -yauvanavantam