Declension table of ?atyamāna

Neuter	Singular	Dual	Plural
Nominative	atyamānam	atyamāne	atyamānāni
Vocative	atyamāna	atyamāne	atyamānāni
Accusative	atyamānam	atyamāne	atyamānāni
Instrumental	atyamānena	atyamānābhyām	atyamānaiḥ
Dative	atyamānāya	atyamānābhyām	atyamānebhyaḥ
Ablative	atyamānāt	atyamānābhyām	atyamānebhyaḥ
Genitive	atyamānasya	atyamānayoḥ	atyamānānām
Locative	atyamāne	atyamānayoḥ	atyamāneṣu

Compound atyamāna -

Adverb -atyamānam -atyamānāt