The word galvanizers 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: 28
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (47 words)
aerials, aligner, anglers, arsenal, erasing, gainers, galenas, genials, girnels, glazier, gravels, gravies, laagers, lasagne, lavages, learing, leasing, leaving, lingers, nailers, ravages, ravines, ravings, realign, reavail, reaving, regains, regalia, renails, salvage, salving, sangria, savager, sealing, searing, serving, slaving, slinger, vaginal, vaginas, vearing, velaria, versing, vinegar, zingara, zingare, zingers