Declension table of ?sadeva

Neuter	Singular	Dual	Plural
Nominative	sadevam	sadeve	sadevāni
Vocative	sadeva	sadeve	sadevāni
Accusative	sadevam	sadeve	sadevāni
Instrumental	sadevena	sadevābhyām	sadevaiḥ
Dative	sadevāya	sadevābhyām	sadevebhyaḥ
Ablative	sadevāt	sadevābhyām	sadevebhyaḥ
Genitive	sadevasya	sadevayoḥ	sadevānām
Locative	sadeve	sadevayoḥ	sadeveṣu

Compound sadeva -

Adverb -sadevam -sadevāt