Declension table of ?ṛjumuṣka

Masculine	Singular	Dual	Plural
Nominative	ṛjumuṣkaḥ	ṛjumuṣkau	ṛjumuṣkāḥ
Vocative	ṛjumuṣka	ṛjumuṣkau	ṛjumuṣkāḥ
Accusative	ṛjumuṣkam	ṛjumuṣkau	ṛjumuṣkān
Instrumental	ṛjumuṣkeṇa	ṛjumuṣkābhyām	ṛjumuṣkaiḥ ṛjumuṣkebhiḥ
Dative	ṛjumuṣkāya	ṛjumuṣkābhyām	ṛjumuṣkebhyaḥ
Ablative	ṛjumuṣkāt	ṛjumuṣkābhyām	ṛjumuṣkebhyaḥ
Genitive	ṛjumuṣkasya	ṛjumuṣkayoḥ	ṛjumuṣkāṇām
Locative	ṛjumuṣke	ṛjumuṣkayoḥ	ṛjumuṣkeṣu

Compound ṛjumuṣka -

Adverb -ṛjumuṣkam -ṛjumuṣkāt