Declension table of ?rerivan

Masculine	Singular	Dual	Plural
Nominative	rerivā	rerivāṇau	rerivāṇaḥ
Vocative	rerivan	rerivāṇau	rerivāṇaḥ
Accusative	rerivāṇam	rerivāṇau	rerivṇaḥ
Instrumental	rerivṇā	rerivabhyām	rerivabhiḥ
Dative	rerivṇe	rerivabhyām	rerivabhyaḥ
Ablative	rerivṇaḥ	rerivabhyām	rerivabhyaḥ
Genitive	rerivṇaḥ	rerivṇoḥ	rerivṇām
Locative	rerivṇi rerivaṇi	rerivṇoḥ	rerivasu

Compound reriva -

Adverb -rerivam