Declension table of ?yaddevatya

Neuter	Singular	Dual	Plural
Nominative	yaddevatyam	yaddevatye	yaddevatyāni
Vocative	yaddevatya	yaddevatye	yaddevatyāni
Accusative	yaddevatyam	yaddevatye	yaddevatyāni
Instrumental	yaddevatyena	yaddevatyābhyām	yaddevatyaiḥ
Dative	yaddevatyāya	yaddevatyābhyām	yaddevatyebhyaḥ
Ablative	yaddevatyāt	yaddevatyābhyām	yaddevatyebhyaḥ
Genitive	yaddevatyasya	yaddevatyayoḥ	yaddevatyānām
Locative	yaddevatye	yaddevatyayoḥ	yaddevatyeṣu

Compound yaddevatya -

Adverb -yaddevatyam -yaddevatyāt