9 letters · 16 points in Scrabble
originEtymology tree Proto-Italic *wre- Latin re-der. Old French re-bor. Middle English re- English re- Proto-Indo-European *wed- Proto-Indo-European *-r̥ Proto-Indo-European *wódr̥ Proto-Hellenic *údōr Ancient Greek ῡ̆̔́δωρ (hū̆́dōr) Ancient Greek ὑδρο- (hudro-)lbor. French hydr- French -ate French hydratebor. English hydrate English rehydrate From re- + hydrate.
Etymology from Wiktionary, CC BY-SA 3.0