Declension table of ?tvaddevatya

Neuter	Singular	Dual	Plural
Nominative	tvaddevatyam	tvaddevatye	tvaddevatyāni
Vocative	tvaddevatya	tvaddevatye	tvaddevatyāni
Accusative	tvaddevatyam	tvaddevatye	tvaddevatyāni
Instrumental	tvaddevatyena	tvaddevatyābhyām	tvaddevatyaiḥ
Dative	tvaddevatyāya	tvaddevatyābhyām	tvaddevatyebhyaḥ
Ablative	tvaddevatyāt	tvaddevatyābhyām	tvaddevatyebhyaḥ
Genitive	tvaddevatyasya	tvaddevatyayoḥ	tvaddevatyānām
Locative	tvaddevatye	tvaddevatyayoḥ	tvaddevatyeṣu

Compound tvaddevatya -

Adverb -tvaddevatyam -tvaddevatyāt