Declension table of ?tvacyamāna

Neuter	Singular	Dual	Plural
Nominative	tvacyamānam	tvacyamāne	tvacyamānāni
Vocative	tvacyamāna	tvacyamāne	tvacyamānāni
Accusative	tvacyamānam	tvacyamāne	tvacyamānāni
Instrumental	tvacyamānena	tvacyamānābhyām	tvacyamānaiḥ
Dative	tvacyamānāya	tvacyamānābhyām	tvacyamānebhyaḥ
Ablative	tvacyamānāt	tvacyamānābhyām	tvacyamānebhyaḥ
Genitive	tvacyamānasya	tvacyamānayoḥ	tvacyamānānām
Locative	tvacyamāne	tvacyamānayoḥ	tvacyamāneṣu

Compound tvacyamāna -

Adverb -tvacyamānam -tvacyamānāt