Declension table of sandheya

Neuter	Singular	Dual	Plural
Nominative	sandheyam	sandheye	sandheyāni
Vocative	sandheya	sandheye	sandheyāni
Accusative	sandheyam	sandheye	sandheyāni
Instrumental	sandheyena	sandheyābhyām	sandheyaiḥ
Dative	sandheyāya	sandheyābhyām	sandheyebhyaḥ
Ablative	sandheyāt	sandheyābhyām	sandheyebhyaḥ
Genitive	sandheyasya	sandheyayoḥ	sandheyānām
Locative	sandheye	sandheyayoḥ	sandheyeṣu

Compound sandheya -

Adverb -sandheyam -sandheyāt