Usage: 4 forms in 4 verses
Form Translated As     In Verse(s)
υδροφόρουσ water-carriers LXX.Josh.9.27
υδροφόρου your water-carrier LXX.Deut.29.11
υδροφόροσ a water-carrier LXX.Josh.9.23
υδροφόροι water-carriers LXX.Josh.9.21

Liddell-Scott-Jones

ὑδροφόρος (hudrophoros) a water-carrier G:N-M

ὑδροφόρος-ος

(paroxytone), ον, carrying water, κόρη [Refs 1st c.AD+]

__II substantive ., and , watercarrier, [LXX+5th c.BC+]; Γδροφόροι, title of Tragedies by Aeschylus and by Sophocles; . Ἀρτέμιδος Πυθίης, title of priestess at Branchidae, [Refs 3rd c.BC+]; so in plural, [Refs]; also at Athens, of maidens who served at the Dipolieia, [Refs 4th c.BC+]
__III ὑδροφόροςους· ὑδρορρόους, [Refs 5th c.AD+]

LSJ Scripture Refs: LXX.Josh.9.33