Declension table of ?ṛjivas

Neuter	Singular	Dual	Plural
Nominative	ṛjivat	ṛjuṣī	ṛjivāṃsi
Vocative	ṛjivat	ṛjuṣī	ṛjivāṃsi
Accusative	ṛjivat	ṛjuṣī	ṛjivāṃsi
Instrumental	ṛjuṣā	ṛjivadbhyām	ṛjivadbhiḥ
Dative	ṛjuṣe	ṛjivadbhyām	ṛjivadbhyaḥ
Ablative	ṛjuṣaḥ	ṛjivadbhyām	ṛjivadbhyaḥ
Genitive	ṛjuṣaḥ	ṛjuṣoḥ	ṛjuṣām
Locative	ṛjuṣi	ṛjuṣoḥ	ṛjivatsu

Compound ṛjivat -

Adverb -ṛjivas