Declension table of ?upanāyin

Neuter	Singular	Dual	Plural
Nominative	upanāyi	upanāyinī	upanāyīni
Vocative	upanāyin upanāyi	upanāyinī	upanāyīni
Accusative	upanāyi	upanāyinī	upanāyīni
Instrumental	upanāyinā	upanāyibhyām	upanāyibhiḥ
Dative	upanāyine	upanāyibhyām	upanāyibhyaḥ
Ablative	upanāyinaḥ	upanāyibhyām	upanāyibhyaḥ
Genitive	upanāyinaḥ	upanāyinoḥ	upanāyinām
Locative	upanāyini	upanāyinoḥ	upanāyiṣu

Compound upanāyi -

Adverb -upanāyi