Declension table of ?akatthana

Neuter	Singular	Dual	Plural
Nominative	akatthanam	akatthane	akatthanāni
Vocative	akatthana	akatthane	akatthanāni
Accusative	akatthanam	akatthane	akatthanāni
Instrumental	akatthanena	akatthanābhyām	akatthanaiḥ
Dative	akatthanāya	akatthanābhyām	akatthanebhyaḥ
Ablative	akatthanāt	akatthanābhyām	akatthanebhyaḥ
Genitive	akatthanasya	akatthanayoḥ	akatthanānām
Locative	akatthane	akatthanayoḥ	akatthaneṣu

Compound akatthana -

Adverb -akatthanam -akatthanāt