Declension table of ?kathyamāna

Neuter	Singular	Dual	Plural
Nominative	kathyamānam	kathyamāne	kathyamānāni
Vocative	kathyamāna	kathyamāne	kathyamānāni
Accusative	kathyamānam	kathyamāne	kathyamānāni
Instrumental	kathyamānena	kathyamānābhyām	kathyamānaiḥ
Dative	kathyamānāya	kathyamānābhyām	kathyamānebhyaḥ
Ablative	kathyamānāt	kathyamānābhyām	kathyamānebhyaḥ
Genitive	kathyamānasya	kathyamānayoḥ	kathyamānānām
Locative	kathyamāne	kathyamānayoḥ	kathyamāneṣu

Compound kathyamāna -

Adverb -kathyamānam -kathyamānāt