Declension table of ?ṛghāvan

Neuter	Singular	Dual	Plural
Nominative	ṛghāva	ṛghāvṇī ṛghāvaṇī	ṛghāvāṇi
Vocative	ṛghāvan ṛghāva	ṛghāvṇī ṛghāvaṇī	ṛghāvāṇi
Accusative	ṛghāva	ṛghāvṇī ṛghāvaṇī	ṛghāvāṇi
Instrumental	ṛghāvṇā	ṛghāvabhyām	ṛghāvabhiḥ
Dative	ṛghāvṇe	ṛghāvabhyām	ṛghāvabhyaḥ
Ablative	ṛghāvṇaḥ	ṛghāvabhyām	ṛghāvabhyaḥ
Genitive	ṛghāvṇaḥ	ṛghāvṇoḥ	ṛghāvṇām
Locative	ṛghāvṇi ṛghāvaṇi	ṛghāvṇoḥ	ṛghāvasu

Compound ṛghāva -

Adverb -ṛghāva -ṛghāvam