Declension table of ?kumārayu

Masculine	Singular	Dual	Plural
Nominative	kumārayuḥ	kumārayū	kumārayavaḥ
Vocative	kumārayo	kumārayū	kumārayavaḥ
Accusative	kumārayum	kumārayū	kumārayūn
Instrumental	kumārayuṇā	kumārayubhyām	kumārayubhiḥ
Dative	kumārayave	kumārayubhyām	kumārayubhyaḥ
Ablative	kumārayoḥ	kumārayubhyām	kumārayubhyaḥ
Genitive	kumārayoḥ	kumārayvoḥ	kumārayūṇām
Locative	kumārayau	kumārayvoḥ	kumārayuṣu

Compound kumārayu -

Adverb -kumārayu