The word galvanisers is playable in Words With Friends™, no blanks required. Because it is longer than 7 letters, you would have to play off an existing word or do it in several moves.
Words With Friends™ Letter Score: 19
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (72 words)
aerials, airless, aliases, aligner, anglers, arsenal, erasing, gainers, galenas, gassier, genials, girnels, gravels, gravies, ingress, laagers, largess, lasagne, lavages, learing, leasing, leaving, ligases, lingers, nailers, ravages, ravines, ravings, realign, reavail, reaving, regains, regalia, renails, resails, resigns, sailers, salines, salivas, salvage, salvers, salvias, salving, sangria, savager, savages, savings, sealing, searing, serials, servals, serving, signals, signers, silanes, silvans, silvers, singers, singles, slavers, slaving, slinger, slivers, snivels, sringas, vaginal, vaginas, vearing, velaria, versing, vinegar, visages