Declension table of ?ṛjumuṣka

Neuter	Singular	Dual	Plural
Nominative	ṛjumuṣkam	ṛjumuṣke	ṛjumuṣkāṇi
Vocative	ṛjumuṣka	ṛjumuṣke	ṛjumuṣkāṇi
Accusative	ṛjumuṣkam	ṛjumuṣke	ṛjumuṣkāṇi
Instrumental	ṛjumuṣkeṇa	ṛjumuṣkābhyām	ṛjumuṣkaiḥ
Dative	ṛjumuṣkāya	ṛjumuṣkābhyām	ṛjumuṣkebhyaḥ
Ablative	ṛjumuṣkāt	ṛjumuṣkābhyām	ṛjumuṣkebhyaḥ
Genitive	ṛjumuṣkasya	ṛjumuṣkayoḥ	ṛjumuṣkāṇām
Locative	ṛjumuṣke	ṛjumuṣkayoḥ	ṛjumuṣkeṣu

Compound ṛjumuṣka -

Adverb -ṛjumuṣkam -ṛjumuṣkāt