Spercheis
Could not find Spercheides in Logeion dictionaries.
Spercheides Proper-name noun: feminine nominative plural, Proper-name noun: feminine vocative plural, Proper-name noun: feminine accusative plural of Spercheis
Sperchēis, ĭdis, adj. f. , du Sperchius : Ov. M. 2, 250.