Declension table of ?valkya

Neuter	Singular	Dual	Plural
Nominative	valkyam	valkye	valkyāni
Vocative	valkya	valkye	valkyāni
Accusative	valkyam	valkye	valkyāni
Instrumental	valkyena	valkyābhyām	valkyaiḥ
Dative	valkyāya	valkyābhyām	valkyebhyaḥ
Ablative	valkyāt	valkyābhyām	valkyebhyaḥ
Genitive	valkyasya	valkyayoḥ	valkyānām
Locative	valkye	valkyayoḥ	valkyeṣu

Compound valkya -

Adverb -valkyam -valkyāt