Declension table of ?acetāna

Neuter	Singular	Dual	Plural
Nominative	acetānam	acetāne	acetānāni
Vocative	acetāna	acetāne	acetānāni
Accusative	acetānam	acetāne	acetānāni
Instrumental	acetānena	acetānābhyām	acetānaiḥ
Dative	acetānāya	acetānābhyām	acetānebhyaḥ
Ablative	acetānāt	acetānābhyām	acetānebhyaḥ
Genitive	acetānasya	acetānayoḥ	acetānānām
Locative	acetāne	acetānayoḥ	acetāneṣu

Compound acetāna -

Adverb -acetānam -acetānāt