Declension table of kumāra

Masculine	Singular	Dual	Plural
Nominative	kumāraḥ	kumārau	kumārāḥ
Vocative	kumāra	kumārau	kumārāḥ
Accusative	kumāram	kumārau	kumārān
Instrumental	kumāreṇa	kumārābhyām	kumāraiḥ kumārebhiḥ
Dative	kumārāya	kumārābhyām	kumārebhyaḥ
Ablative	kumārāt	kumārābhyām	kumārebhyaḥ
Genitive	kumārasya	kumārayoḥ	kumārāṇām
Locative	kumāre	kumārayoḥ	kumāreṣu

Compound kumāra -

Adverb -kumāram -kumārāt