Declension table of ?rāvan

Neuter	Singular	Dual	Plural
Nominative	rāva	rāvṇī rāvaṇī	rāvāṇi
Vocative	rāvan rāva	rāvṇī rāvaṇī	rāvāṇi
Accusative	rāva	rāvṇī rāvaṇī	rāvāṇi
Instrumental	rāvṇā	rāvabhyām	rāvabhiḥ
Dative	rāvṇe	rāvabhyām	rāvabhyaḥ
Ablative	rāvṇaḥ	rāvabhyām	rāvabhyaḥ
Genitive	rāvṇaḥ	rāvṇoḥ	rāvṇām
Locative	rāvṇi rāvaṇi	rāvṇoḥ	rāvasu

Compound rāva -

Adverb -rāva -rāvam