Declension table of ?raiva

Masculine	Singular	Dual	Plural
Nominative	raivaḥ	raivau	raivāḥ
Vocative	raiva	raivau	raivāḥ
Accusative	raivam	raivau	raivān
Instrumental	raiveṇa	raivābhyām	raivaiḥ raivebhiḥ
Dative	raivāya	raivābhyām	raivebhyaḥ
Ablative	raivāt	raivābhyām	raivebhyaḥ
Genitive	raivasya	raivayoḥ	raivāṇām
Locative	raive	raivayoḥ	raiveṣu

Compound raiva -

Adverb -raivam -raivāt