Declension table of ?ṛbhvas

Masculine	Singular	Dual	Plural
Nominative	ṛbhvān	ṛbhvāṃsau	ṛbhvāṃsaḥ
Vocative	ṛbhvan	ṛbhvāṃsau	ṛbhvāṃsaḥ
Accusative	ṛbhvāṃsam	ṛbhvāṃsau	ṛbhuṣaḥ
Instrumental	ṛbhuṣā	ṛbhvadbhyām	ṛbhvadbhiḥ
Dative	ṛbhuṣe	ṛbhvadbhyām	ṛbhvadbhyaḥ
Ablative	ṛbhuṣaḥ	ṛbhvadbhyām	ṛbhvadbhyaḥ
Genitive	ṛbhuṣaḥ	ṛbhuṣoḥ	ṛbhuṣām
Locative	ṛbhuṣi	ṛbhuṣoḥ	ṛbhvatsu

Compound ṛbhvat -

Adverb -ṛbhvas