Declension table of ?svardeva

Masculine	Singular	Dual	Plural
Nominative	svardevaḥ	svardevau	svardevāḥ
Vocative	svardeva	svardevau	svardevāḥ
Accusative	svardevam	svardevau	svardevān
Instrumental	svardevena	svardevābhyām	svardevaiḥ svardevebhiḥ
Dative	svardevāya	svardevābhyām	svardevebhyaḥ
Ablative	svardevāt	svardevābhyām	svardevebhyaḥ
Genitive	svardevasya	svardevayoḥ	svardevānām
Locative	svardeve	svardevayoḥ	svardeveṣu

Compound svardeva -

Adverb -svardevam -svardevāt