Declension table of ?oṇamāna

Neuter	Singular	Dual	Plural
Nominative	oṇamānam	oṇamāne	oṇamānāni
Vocative	oṇamāna	oṇamāne	oṇamānāni
Accusative	oṇamānam	oṇamāne	oṇamānāni
Instrumental	oṇamānena	oṇamānābhyām	oṇamānaiḥ
Dative	oṇamānāya	oṇamānābhyām	oṇamānebhyaḥ
Ablative	oṇamānāt	oṇamānābhyām	oṇamānebhyaḥ
Genitive	oṇamānasya	oṇamānayoḥ	oṇamānānām
Locative	oṇamāne	oṇamānayoḥ	oṇamāneṣu

Compound oṇamāna -

Adverb -oṇamānam -oṇamānāt