Declension table of ?dādhya

Neuter	Singular	Dual	Plural
Nominative	dādhyam	dādhye	dādhyāni
Vocative	dādhya	dādhye	dādhyāni
Accusative	dādhyam	dādhye	dādhyāni
Instrumental	dādhyena	dādhyābhyām	dādhyaiḥ
Dative	dādhyāya	dādhyābhyām	dādhyebhyaḥ
Ablative	dādhyāt	dādhyābhyām	dādhyebhyaḥ
Genitive	dādhyasya	dādhyayoḥ	dādhyānām
Locative	dādhye	dādhyayoḥ	dādhyeṣu

Compound dādhya -

Adverb -dādhyam -dādhyāt