Declension table of ?yuvapratyaya

Masculine	Singular	Dual	Plural
Nominative	yuvapratyayaḥ	yuvapratyayau	yuvapratyayāḥ
Vocative	yuvapratyaya	yuvapratyayau	yuvapratyayāḥ
Accusative	yuvapratyayam	yuvapratyayau	yuvapratyayān
Instrumental	yuvapratyayena	yuvapratyayābhyām	yuvapratyayaiḥ yuvapratyayebhiḥ
Dative	yuvapratyayāya	yuvapratyayābhyām	yuvapratyayebhyaḥ
Ablative	yuvapratyayāt	yuvapratyayābhyām	yuvapratyayebhyaḥ
Genitive	yuvapratyayasya	yuvapratyayayoḥ	yuvapratyayānām
Locative	yuvapratyaye	yuvapratyayayoḥ	yuvapratyayeṣu

Compound yuvapratyaya -

Adverb -yuvapratyayam -yuvapratyayāt